Granted Patent
Utility
US 5,224,364 · App. 07/672,315
Device for sensing rotary angles of a lock cylinder in a key-actuated lock system
Inventors:
Klaus Claar, Jurgen Schrader, Martin Lindmayer
Patented Case
View Patent ↗
Granted: Jul 6, 1993
Filed: Mar 20, 1991
Inventors
Klaus Claar
Jurgen Schrader
Martin Lindmayer
Assignee (at issue)
MERCEDES-BENZ GROUP AG
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.