Granted Patent
Utility
US 5,618,962 · App. 08/539,657
Diphosphites
Inventor:
James A. Mahood
Patented Case
View Patent ↗
Granted: Apr 8, 1997
Filed: Oct 5, 1995
Inventor
James A. Mahood
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.