Granted Patent
Utility
US 4,259,465 · App. 05/901,692
Bimodal coextendant suspension polymerization system
Inventor:
Eugene S. Barabas
Patented Case
View Patent ↗
Granted: Mar 31, 1981
Filed: May 1, 1978
Inventor
Eugene S. Barabas
Assignee (at issue)
GAF 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.