Granted Patent
Utility
US 5,087,090 · App. 07/702,784
Combination lockout/holdback apparatus
Inventors:
Edward F. Humphrey, Nelson J. De Angelo, David W. Florian
Patented Case
View Patent ↗
Granted: Feb 11, 1992
Filed: May 17, 1991
Inventors
Edward F. Humphrey
Nelson J. De Angelo
David W. Florian
Assignee (at issue)
International Security Products, 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.