Granted Patent
Utility
US 4,382,749 · App. 06/206,750
Reciprocating compressor with integral unloader valve
Inventors:
Arlo F. Teegarden, Jerome C. Roach
Patented Case
View Patent ↗
Granted: May 10, 1983
Filed: Nov 14, 1980
Inventors
Arlo F. Teegarden
Jerome C. Roach
Assignee (at issue)
The Trane Company
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.