Granted Patent
Utility
US 5,860,699 · App. 08/914,025
Adjustable lumbar seating system
Inventor:
Ryan Weeks
Patented Case
View Patent ↗
Granted: Jan 19, 1999
Filed: Jun 23, 1997
Inventor
Ryan Weeks
Assignee (at issue)
McCord Winn Textron
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.