Granted Patent
Utility
US 5,872,335 · App. 08/885,536
90 degree sealing nut
Inventor:
Thomas M. Mullen, Jr.
Patented Case
View Patent ↗
Granted: Feb 16, 1999
Filed: Jun 30, 1997
Inventor
Thomas M. Mullen, Jr.
Assignee (at issue)
Heyco Products Corp.
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.