Granted Patent
Utility
US 4,342,845 · App. 06/193,560
Vinyl halide-polyolefin polymer and copolymers and method of making
Inventor:
William L. Schall
Patented Case
View Patent ↗
Granted: Aug 3, 1982
Filed: Oct 3, 1980
Inventor
William L. Schall
Assignee (at issue)
Hooker Chemicals & Plastics 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.