Granted Patent
Utility
US 4,703,082 · App. 06/295,812
Integral additives and methods for making filled thermoplastics
Inventor:
Robert E. Godlewski
Patented Case
View Patent ↗
Granted: Oct 27, 1987
Filed: Aug 27, 1981
Inventor
Robert E. Godlewski
Assignee (at issue)
Union Carbide 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.