Granted Patent
Utility
US 5,894,255 · App. 09/073,691
Electromechanical relay
Inventor:
James M. Wallintin
Patented Case
View Patent ↗
Granted: Apr 13, 1999
Filed: May 6, 1998
Inventor
James M. Wallintin
Assignee (at issue)
Allegheny Ludlum Corporation
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.