Granted Patent
Utility
US 5,968,391 · App. 09/073,291
Modular radiant heating unit
Inventors:
Subhash R. Deo, Simon P. Griffiths
Patented Case
View Patent ↗
Granted: Oct 19, 1999
Filed: May 6, 1998
Inventors
Subhash R. Deo
Simon P. Griffiths
Assignee (at issue)
Emerson Electric Co.
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.