Granted Patent
Utility
US 4,372,533 · App. 06/357,365
Pneumatic lift pad
Inventors:
Ernest Knaus, Paul E. Liggett, Raymond J. Namsick
Patented Case
View Patent ↗
Granted: Feb 8, 1983
Filed: Mar 12, 1982
Inventors
Ernest Knaus
Paul E. Liggett
Raymond J. Namsick
Assignee (at issue)
Goodyear 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.