Granted Patent
Utility
US 4,942,286 · App. 07/307,051
Apparatus for heating a mirror or the like
Inventors:
Robert P. Monter, Ronald L. Smith
Patented Case
View Patent ↗
Granted: Jul 17, 1990
Filed: Feb 6, 1989
Inventors
Robert P. Monter
Ronald L. Smith
Assignee (at issue)
THERMACON LTD.
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.