Granted Patent
Utility
US 4,456,705 · App. 06/336,091
Heat fusible-expandable mastic for automobile floor pans
Inventor:
Bruce McCarthy
Patented Case
View Patent ↗
Granted: Jun 26, 1984
Filed: Dec 31, 1981
Inventor
Bruce McCarthy
Assignee (at issue)
USM Holding AG
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.