Granted Patent
Utility
US 4,419,400 · App. 06/315,097
Pultruded reinforced phenolic resin products
Inventor:
Raymond R. Hindersinn
Patented Case
View Patent ↗
Granted: Dec 6, 1983
Filed: Oct 26, 1981
Inventor
Raymond R. Hindersinn
Assignee (at issue)
Occidental Chemical Corporation
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.