Granted Patent
Utility
US 6,609,908 · App. 10/010,364
Replaceable heater cover
Inventors:
Dennis L. Guilmette, Joe R. McAfee, William B. Bilyj
Patented Case
View Patent ↗
Granted: Aug 26, 2003
Filed: Nov 13, 2001
Inventors
Dennis L. Guilmette
Joe R. McAfee
William B. Bilyj
Assignee (at issue)
ETS Schaefer 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.