Granted Patent
Utility
US 5,769,672 · App. 08/721,563
Contact spring with contact preopening
Inventor:
Richard Flieger
Patented Case
View Patent ↗
Granted: Jun 23, 1998
Filed: Sep 26, 1996
Inventor
Richard Flieger
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.