Granted Patent
Utility
US 4,237,405 · App. 05/885,392
Method and apparatus for conserving energy
Inventor:
James T. Kellis, Jr.
Patented Case
View Patent ↗
Granted: Dec 2, 1980
Filed: Mar 10, 1978
Inventor
James T. Kellis, Jr.
Assignee (at issue)
Lear Siegler, 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.