Granted Patent
Utility
US 5,268,431 · App. 07/952,091
Method for preparing ultra-low molecular weight toner resin
Inventors:
Gary L. Burroway, Dane K. Parker, James R. Purdon, Jr.
Patented Case
View Patent ↗
Granted: Dec 7, 1993
Filed: Sep 28, 1992
Inventors
Gary L. Burroway
Dane K. Parker
James R. Purdon, Jr.
Assignee (at issue)
THE GOODYEAR 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.