Granted Patent
Utility
US 4,372,180 · App. 06/191,274
Gear motor torque reaction absorber
Inventor:
Parker A. Bollinger, Jr.
Patented Case
View Patent ↗
Granted: Feb 8, 1983
Filed: Sep 26, 1980
Inventor
Parker A. Bollinger, Jr.
Assignee (at issue)
Siemens-Allis
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.