Granted Patent
Utility
US 4,400,613 · App. 06/174,475
Temperature controller for a fusing roller
Inventor:
John A. Popelish
Patented Case
View Patent ↗
Granted: Aug 23, 1983
Filed: Aug 1, 1980
Inventor
John A. Popelish
Assignee (at issue)
General Electric Company
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.