Granted Patent
Utility
US 5,329,085 · App. 07/925,029
Temperature self regulating heaters and soldering irons
Inventors:
Mark J. Cowell, Steven A. Daniel
Patented Case
View Patent ↗
Granted: Jul 12, 1994
Filed: Aug 5, 1992
Inventors
Mark J. Cowell
Steven A. Daniel
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.