IP Library Granted Patent US 6,661,990
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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 6,661,990
App. No.
10/041,100
Filed
2002-01-09
Granted
2003-12-09
Kind
B2