Granted Patent
Utility
US 5,385,039 · App. 08/006,742
Electronic lock
Inventors:
Thomas G. Feldpausch, Joseph R. Branc, Robert B. Lubinskas
Patented Case
View Patent ↗
Granted: Jan 31, 1995
Filed: Jan 21, 1993
Inventors
Thomas G. Feldpausch
Joseph R. Branc
Robert B. Lubinskas
Assignee (at issue)
Steelcase 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.