Granted Patent
Utility
US 5,823,621 · App. 08/745,715
Reduced shear assembly for recline seat back of a wheelchair
Inventor:
Douglas G. Broadhead
Patented Case
View Patent ↗
Granted: Oct 20, 1998
Filed: Nov 12, 1996
Inventor
Douglas G. Broadhead
Assignee (at issue)
INVACARE CORPORATION
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.