Granted Patent
Utility
US 4,369,344 · App. 06/060,925
Sensitive door edge Wiegand module switch assembly
Inventor:
John Diamond
Patented Case
View Patent ↗
Granted: Jan 18, 1983
Filed: Jul 26, 1979
Inventor
John Diamond
Assignee (at issue)
VAPOR 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.