Granted Patent
Utility
US 4,567,211 · App. 06/707,761
Naphthalenic derivatized plasticizers for polyphosphazene polymers
Inventors:
Arthur E. Oberster, John C. Vicic
Patented Case
View Patent ↗
Granted: Jan 28, 1986
Filed: Mar 4, 1985
Inventors
Arthur E. Oberster
John C. Vicic
Assignee (at issue)
The Firestone Tire & Rubber 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.