Granted Patent
Utility
US 4,272,967 · App. 06/135,746
Self-contained portable air-conditioning system
Inventors:
Jack White, Joseph M. Fitzgerald
Patented Case
View Patent ↗
Granted: Jun 16, 1981
Filed: Mar 31, 1980
Inventors
Jack White
Joseph M. Fitzgerald
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.