Granted Patent
Utility
US 4,707,679 · App. 07/011,364
Magnetic tamper detector
Inventors:
Jerry M. Kennon, Leland E. Hayden
Patented Case
View Patent ↗
Granted: Nov 17, 1987
Filed: Feb 2, 1987
Inventors
Jerry M. Kennon
Leland E. Hayden
Assignee (at issue)
Westinghouse Electric Company LLC
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.