Granted Patent
Utility
US 4,310,087 · App. 06/124,522
Single revolution clutches, particularly for franking machines
Inventor:
David A. Gawler
Patented Case
View Patent ↗
Granted: Jan 12, 1982
Filed: Feb 25, 1980
Inventor
David A. Gawler
Assignee (at issue)
Vickers, Inc.
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.