Granted Patent
Utility
US 5,427,331 · App. 08/221,854
Rapid deflation system for pneumatic seat cushion
Inventor:
Ronald L. Stroud
Patented Case
View Patent ↗
Granted: Jun 27, 1995
Filed: Apr 1, 1994
Inventor
Ronald L. Stroud
Assignee (at issue)
Lockheed 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.