Granted Patent
Utility
US 5,723,911 · App. 08/405,840
Keyless access control device
Inventor:
Manfred Glehr
Patented Case
View Patent ↗
Granted: Mar 3, 1998
Filed: Mar 17, 1995
Inventor
Manfred Glehr
Assignee (at issue)
Siemens Aktiengesellschaft
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.