Granted Patent
Utility
US 4,229,546 · App. 05/928,563
Viscous, flowable, pressure-compensating fitting compositions having therein both glass and resinous microbeads
Inventor:
Jack C. Swan, Jr.
Patented Case
View Patent ↗
Granted: Oct 21, 1980
Filed: Jul 27, 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.