Granted Patent
Utility
US 5,884,515 · App. 08/937,028
Electromagnetic clutch for electronic locks
Inventor:
Sheldon Milman
Patented Case
View Patent ↗
Granted: Mar 23, 1999
Filed: Sep 24, 1997
Inventor
Sheldon Milman
Assignee (at issue)
Ilco Unican 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.