Granted Patent
Utility
US 6,018,149 · App. 09/211,752
Radiant electric heater
Inventor:
George A. Higgins
Patented Case
View Patent ↗
Granted: Jan 25, 2000
Filed: Dec 15, 1998
Inventor
George A. Higgins
Assignee (at issue)
Ceramaspeed, Inc.
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.