Granted Patent
Utility
US 4,243,754 · App. 05/939,400
Viscous, flowable, pressure-compensating fitting compositions
Inventor:
Jack C. Swan, Jr.
Patented Case
View Patent ↗
Granted: Jan 6, 1981
Filed: Sep 5, 1978
Inventor
Jack C. Swan, Jr.
Assignee (at issue)
Hanson Industries Limited
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.