Granted Patent
Utility
US 4,255,202 · App. 06/091,955
Viscous, flowable, pressure-compensating fitting compositions
Inventor:
Jack C. Swan, Jr.
Patented Case
View Patent ↗
Granted: Mar 10, 1981
Filed: Nov 7, 1979
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.