Granted Patent
Utility
US 4,279,192 · App. 06/069,465
Electronic compensator for a pneumatic servo controlled load bearing bellows system
Inventor:
Jeffrey M. Kleinwaks
Patented Case
View Patent ↗
Granted: Jul 21, 1981
Filed: Aug 24, 1979
Inventor
Jeffrey M. Kleinwaks
Assignee (at issue)
The Singer Company Limited
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.