Granted Patent
Utility
US 4,714,483 · App. 06/873,899
Air dryer purge control for turbocharged compressors
Inventors:
James P. Koening, David John Knight, James E. Szudy, Roy E. Bartholomew, William Wurst
Patented Case
View Patent ↗
Granted: Dec 22, 1987
Filed: Jun 13, 1986
Inventors
James P. Koening
David John Knight
James E. Szudy
Roy E. Bartholomew
William Wurst
Assignee (at issue)
ALLIED CONSULTING, 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.