Granted Patent
Utility
US 4,701,587 · App. 06/243,777
Shielded heating element having intrinsic temperature control
Inventors:
Philip Scot Carter, John F. Krumme
Patented Case
View Patent ↗
Granted: Oct 20, 1987
Filed: Mar 16, 1981
Inventors
Philip Scot Carter
John F. Krumme
Assignee (at issue)
Metcal, 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.