Granted Patent
Utility
US 4,464,502 · App. 06/367,714
Low smoke plasticized polyvinyl chloride
Inventor:
Martin I. Jacobs
Patented Case
View Patent ↗
Granted: Aug 7, 1984
Filed: Apr 12, 1982
Inventor
Martin I. Jacobs
Assignee (at issue)
Uniroyal Ltd.
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.