Granted Patent
Utility
US 4,506,144 · App. 06/399,852
Control for radiant heating
Inventors:
Frank W. Hesford, Jerome L. Lampe, Paul Szekely
Patented Case
View Patent ↗
Granted: Mar 19, 1985
Filed: Jul 19, 1982
Inventors
Frank W. Hesford
Jerome L. Lampe
Paul Szekely
Assignee (at issue)
Cincinnatti Milacron 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.