Granted Patent
Utility
US 5,821,499 · App. 08/414,430
Heated roller assembly
Inventors:
Robert Allen Crimmins, Lawrence B. Lestarge, Bruce E. Hyllberg, Gary S. Butters
Patented Case
View Patent ↗
Granted: Oct 13, 1998
Filed: Mar 31, 1995
Inventors
Robert Allen Crimmins
Lawrence B. Lestarge
Bruce E. Hyllberg
Gary S. Butters
Assignees (at issue)
D&K Custom Machine Design, Inc.
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.