Granted Patent
Utility
US 3,993,621 · App. 05/519,095
Reinforced styrene acrylonitrile copolymer having improved temperature resistant properties
Inventors:
Edward J. McInerney, John C. Rieber, Douglas Thomas
Patented Case
View Patent ↗
Granted: Nov 23, 1976
Filed: Oct 30, 1974
Inventors
Edward J. McInerney
John C. Rieber
Douglas Thomas
Assignee (at issue)
General Electric 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.