Granted Patent
Utility
US 4,239,796 · App. 06/050,902
In-mold coating of structural foams and resultant product
Inventors:
Henry Shanoski, Richard M. Griffith
Patented Case
View Patent ↗
Granted: Dec 16, 1980
Filed: Jun 21, 1979
Inventors
Henry Shanoski
Richard M. Griffith
Assignee (at issue)
The General Tire & Rubber Company
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.