Granted Patent
Utility
US 5,378,045 · App. 08/108,827
Seat cushion for wheelchairs
Inventors:
Allen Siekman, Julius E. Nachod, III
Patented Case
View Patent ↗
Granted: Jan 3, 1995
Filed: Aug 18, 1993
Inventors
Allen Siekman
Julius E. Nachod, III
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.