Granted Patent
Utility
US 5,157,983 · App. 07/667,205
Locking device for a gear train
Inventor:
John R. Sankovic
Patented Case
View Patent ↗
Granted: Oct 27, 1992
Filed: Mar 11, 1991
Inventor
John R. Sankovic
Assignee (at issue)
Lucas Aerospace Power Equipment 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.