Granted Patent
Utility
US 5,376,774 · App. 08/001,616
Low emission induction heating coil
Inventors:
Thomas H. McGaffigan, Frank A. Doljack, Cristian C. Filimon
Patented Case
View Patent ↗
Granted: Dec 27, 1994
Filed: Jan 8, 1993
Inventors
Thomas H. McGaffigan
Frank A. Doljack
Cristian C. Filimon
Assignee (at issue)
Electric Power Research Institute, 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.