Granted Patent
Utility
US 5,735,578 · App. 08/410,777
Quick replacement seat bottom diaphragm
Inventor:
James R. Penley
Patented Case
View Patent ↗
Granted: Apr 7, 1998
Filed: Mar 27, 1995
Inventor
James R. Penley
Assignee (at issue)
Burns Aerospace 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.