Granted Patent
Utility
US 4,981,423 · App. 07/416,472
Hydraulic motor with wobble-stick and brake assembly
Inventor:
Lee A. Bissonnette
Patented Case
View Patent ↗
Granted: Jan 1, 1991
Filed: Oct 3, 1989
Inventor
Lee A. Bissonnette
Assignee (at issue)
TRW 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.