Granted Patent
Utility
US 4,420,570 · App. 06/417,260
Reaction injection molded elastomer containing an internal mold release made by a two-stream system
Inventor:
Richard J. G. Dominguez
Patented Case
View Patent ↗
Granted: Dec 13, 1983
Filed: Sep 13, 1982
Inventor
Richard J. G. Dominguez
Assignee (at issue)
Texaco Inc.
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.