Granted Patent
Utility
US 6,661,990 · App. 10/041,100
Fusing apparatus having a pneumatic member
Inventor:
Robert G. Pirwitz
Patented Case
View Patent ↗
Granted: Dec 9, 2003
Filed: Jan 9, 2002
Inventor
Robert G. Pirwitz
Assignee (at issue)
Xerox Corporation
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.