Granted Patent
Utility
US 5,051,313 · App. 07/561,494
Hot roll fusers comprising polyarylene elastomers
Inventors:
James Economy, James L. Hedrick, Jeffrey W. Labadie
Patented Case
View Patent ↗
Granted: Sep 24, 1991
Filed: Jul 31, 1990
Inventors
James Economy
James L. Hedrick
Jeffrey W. Labadie
Assignee (at issue)
Lexmark International, 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.