Granted Patent
Utility
US 6,069,346 · App. 09/050,492
Ceramic heater roller with ground shield and fault detection
Inventor:
Bruce E. Hyllberg
Patented Case
View Patent ↗
Granted: May 30, 2000
Filed: Mar 30, 1998
Inventor
Bruce E. Hyllberg
Assignee (at issue)
American Roller Company, LLC
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.