Granted Patent
Utility
US 4,404,339 · App. 06/084,479
Suspension polymerization process for making vinyl resins for use in plastisols
Inventors:
Charles N. Bush, Thomas J. Doyle
Patented Case
View Patent ↗
Granted: Sep 13, 1983
Filed: Oct 15, 1979
Inventors
Charles N. Bush
Thomas J. Doyle
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.