Granted Patent
Utility
US 5,348,085 · App. 08/011,799
Mechanical plug device
Inventor:
Bryan Benson
Patented Case
View Patent ↗
Granted: Sep 20, 1994
Filed: Feb 1, 1993
Inventor
Bryan Benson
Assignee (at issue)
Cherne Industries Incorporated
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.