Granted Patent
Utility
US 5,112,252 · App. 07/698,340
Intrinsically safe electrical connector
Inventor:
Paul Harris
Patented Case
View Patent ↗
Granted: May 12, 1992
Filed: May 7, 1991
Inventor
Paul Harris
Assignee (at issue)
Amphenol 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.