Granted Patent
Utility
US 4,206,111 · App. 05/932,885
Stabilized polyolefins
Inventors:
Leo L. Valdiserri, Elyse M. Bullock
Patented Case
View Patent ↗
Granted: Jun 3, 1980
Filed: Aug 10, 1978
Inventors
Leo L. Valdiserri
Elyse M. Bullock
Assignee (at issue)
BorgWarner Inc.
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.