Granted Patent
Utility
US 4,665,138 · App. 06/714,433
Process for polymerizing a monomer charge
Inventors:
Paul V. Roling, Richard L. Veazey, David E. Aylward
Patented Case
View Patent ↗
Granted: May 12, 1987
Filed: Mar 21, 1985
Inventors
Paul V. Roling
Richard L. Veazey
David E. Aylward
Assignee (at issue)
Cities Service Oil and Gas 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.