Granted Patent
Utility
US 5,016,929 · App. 07/366,864
Electromagnetic shear lock
Inventor:
George Frolov
Patented Case
View Patent ↗
Granted: May 21, 1991
Filed: Jun 13, 1989
Inventor
George Frolov
Assignee (at issue)
Harrow Products 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.