Granted Patent
Utility
US 4,319,012 · App. 06/068,984
Suspension polymerization process for making vinyl resins for use in plastisol
Inventor:
Marion G. Morningstar
Patented Case
View Patent ↗
Granted: Mar 9, 1982
Filed: Aug 23, 1979
Inventor
Marion G. Morningstar
Assignee (at issue)
B. F. Goodrich Company
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.