Granted Patent
Utility
US 6,596,974 · App. 09/949,374
Support apparatus for resistive coils and insulators in electric heaters
Inventors:
Keith Howard, Jimmy L. Sherrill, Ike Walker
Patented Case
View Patent ↗
Granted: Jul 22, 2003
Filed: Sep 6, 2001
Inventors
Keith Howard
Jimmy L. Sherrill
Ike Walker
Assignee (at issue)
TUTCO, 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.