Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Seat cushion with portions with different compression characteristics

Seat cushion with portions with different compression characteristics

US Patent 4837881 · Granted Jun 13, 1989

Estimated economic value: $13,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Methods for infield camera calibrations2025
Maintenance facility, power generation facility, and maintenance method for devi2021
Gas turbine operation method and operation control device2019
Gas turbine power generation equipment, and device and method for drying gas tur2019
Communication device, image storage device, image pickup device, and control met2008
Communication system and management apparatus and method for restricting functio2007
Knowledge analysis system, knowledge analysis method, and knowledge analysis pro2005
System and method for filing/searching data having a full-text function and medi2003
Transmitter, receiver, communication system, and communication method employing 1999
Radio receiver comprising automatic gain controlling function1994
Composite-machining machine tool1993
Latch device for foldable backrest of automotive seat1989