Granted Patent
Utility
US 6,090,305 · App. 09/270,891
Heater for use in electrophotographic image fixing device
Inventors:
Stacey Edward Balch, Peter Alden Bayerle, Douglas Campbell Hamilton
Patented Case
View Patent ↗
Granted: Jul 18, 2000
Filed: Mar 15, 1999
Inventors
Stacey Edward Balch
Peter Alden Bayerle
Douglas Campbell Hamilton
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.