Granted Patent
Utility
US 4,933,521 · App. 07/243,513
Floating release point switch
Inventor:
Curtis L. Steward, Sr.
Patented Case
View Patent ↗
Granted: Jun 12, 1990
Filed: Sep 12, 1988
Inventor
Curtis L. Steward, Sr.
Assignee (at issue)
Saint Switch, 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.