Granted Patent
Utility
US 5,984,848 · App. 09/003,429
Heated roller with integral heat pipe
Inventors:
Bruce E. Hyllberg, Gary S. Butters, Thomas S. Smith, II, Randy L. Mittelstaedt
Patented Case
View Patent ↗
Granted: Nov 16, 1999
Filed: Jan 6, 1998
Inventors
Bruce E. Hyllberg
Gary S. Butters
Thomas S. Smith, II
Randy L. Mittelstaedt
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.