Granted Patent
Utility
US 4,253,389 · App. 06/118,832
Breakaway reset mechanism
Inventors:
Willis R. Campbell, Randy A. Greaser, James T. Clevenger, Jr.
Patented Case
View Patent ↗
Granted: Mar 3, 1981
Filed: Feb 5, 1980
Inventors
Willis R. Campbell
Randy A. Greaser
James T. Clevenger, Jr.
Assignee (at issue)
Sperry Corp.
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.