The U.S. Patent and Trademark Office issued the following patents to Chicago-area companies between Nov. 23 and 29:
6,820,393–Apparatus for manufacturing flexible packages having slide closures, Kraft Foods Holdings Inc., Northfield
6,820,394–Method for forming zippered thermoformed packages, Illinois Tool Works Inc., Glenview
6,820,395–Process and apparatus for forming packaging bags with a fastener, Illinois Tool Works Inc., Glenview
6,820,402–Strapping machine with pivoting dispenser loading, Illinois Tool Works Inc., Glenview
6,820,411–Compact, lightweight high-performance lift thruster incorporating swirl-augmented oxidizer/fuel injection, mixing and combustion, Boeing Co., Chicago
6,820,616– Combined aircrew systems tester (CAST), Scot Inc., Downers Grove
6,820,771–Beverage dispenser with center off-set dispense tube, Food Equipment Technologies Co. Inc., Lincolnshire
6,820,787 — Stapler, ACCO Brands Inc., Lincolnshire
6,820,796–Diffusion bonded multisheet SPF structure, Boeing Co., Chicago,
6,820,840–Hydrogen powered toy rocket utilizing hydrogen from the electrolysis of water, Lund and Co. Invention LLC, Chicago
6,821,066–Precast concrete panel combination trailer and storage rack assembly, 21st Century Structures LLC, Naperville
6,821,096–Multiple component metering and dispensing system, Illinois Tool Works Inc., Glenview
6,821,133–Printed circuit board mounting clip and system, Illinois Tool Works Inc., Glenview
6,821,168–Power steering system for a marine vessel, Brunswick Corp., Lake Forest
6,821,171–Cooling system for a four-cycle outboard engine, Brunswick Corp., Lake Forest
6,821,238–Method of preparing zipper for use in reclosable gusset bags, Illinois Tool Works Inc., Glenview
6,821,239–Snap-hinge closure with tamper-evident lid and method of making, Crown Cork & Seal Technologies Corp., Alsip
6,821,267–Luer tip cap having reduced removal force, Baxter International, Deerfield
6,821,299–Implantable prosthesis for measuring six force components, Zimmer Technology Inc., Chicago
6,821,302–Permanent coloring of hair using carbonate salts and bicarbonate salts and using percarbamic acid precursors, Unilever Home & Personal Care USA, Division of Conopco Inc., Chicago
6,821,428–Method of monitoring membrane separation processes, Nalco Co., Naperville
6,821,498–Oxygen ion conducting materials, The University of Chicago, Chicago
6,821,537–Process for preparing a hand-held snack item, and a product thereof, The Quaker Oats Co., Chicago
6,821,539–Method for maintaining temperature of a beverage by self-heating a hot beverage serving urn, Food Equipment Technologies Co., Lincolnshire
6,821,589–Fasteners with fin portions, Pactiv Corp., Lake Forest
6,821,897–Method for copper CMP using polymeric complexing agents, Cabot Microelectronics Corp., Aurora
6,822,017–Method for anchoring a material in or to concrete or masonry, Illinois Tool Works Inc., Glenview
6,822,033–Compositions and methods for treating set gypsum, United States Gypsum Co., Chicago
6,822,035–Process for the preparation of organoclays, The University of Chicago, Chicago
6,822,101–Process for preparing amine-substituted benzofurans, Abbott Laboratories, Abbott Park
6,822,105–Method of making alkyl esters using glycerin, Stepan Co., Northfield
6,822,194–Thermocouple control system for selective laser sintering part bed temperature control, Boeing Co., Chicago
6,822,196–System and method for providing cooling air flow to interior of welding gun, Illinois Tool Works Inc., Glenview
6,822,305–Optical integrated circuit, Boeing Co., Chicago
6,822,426–Regulator with feedback voltage and current signal summing into controller, Boeing Co., Chicago
6,822,458–Apparatus and method for simulating arcing, Boeing Co., Chicago
6,822,462–Self-adapting method for inhibiting corrosion of a component of a marine vessel through the use of an impressed current, Brunswick Corp., Lake Forest
6,822,523–Power modulator and method of operating a power modulator, Motorola Inc., Schaumburg
6,822,533–Ferrite variable power divider, Boeing Co., Chicago
6,822,576–Microprocessor controlled fault detector with circuit overload condition detection, E.O. Schweitzer Manufacturing Co., Mundelein
6,822,603–Method and apparatus for transmitting a plurality of different codes at a plurality of different frequencies, The Chamberlain Group Inc., Elmhurst
6,822,611–Wideband internal antenna for communication device, Motorola Inc., Schaumburg
6,822,618–Folded dipole antenna, coaxial to microstrip transition, and retaining element, Andrew Corp., Orland Park
6,822,733–Optical design for laser encoder resolution extension with three-dimensional motion decoupling, The University of Chicago, Chicago
6,822,946–Wireless bridge for a broadband network, Motorola Inc., Schaumburg
6,822,950–Interference-efficient method and apparatus to provide CDMA services, Motorola Inc., Schaumburg
6,822,969–Method and apparatus for scheduling asynchronous transmissions, Motorola Inc., Schaumburg
6,822,973–Apparatus and method for implementing a reduced slotted mode in a communication system, Motorola Inc., Schaumburg
6,822,974–Method and system for packet timing adjustment based on approximated packet transmission time in a mobile radio communication system, Motorola Inc., Schaumburg
6,823,026–Apparatus and method for baseband detection, Motorola Inc., Schaumburg
6,823,173–Method and apparatus for enabling a quick repeat feature, Motorola Inc., Schaumburg
6,823,180–Method and apparatus for adapting antenna visibility in a wireless communications unit, Motorola Inc., Schaumburg
6,823,185–Systems and methods for performing authorized intercept in a satellite-based communications system, Motorola Inc., Schaumburg
6,823,255–System and method for distributing information for storage media, Navteq North America LLC, Chicago
RE38,660–Sound recording and reproduction system for model train using integrated digital command control, Real Rail Effects Inc., Chicago
