Granted Patent
Utility
US 4,854,950 · App. 07/069,710
Moisture separator
Inventors:
Frank J. Kierzkowski, John R. Ross
Patented Case
View Patent ↗
Granted: Aug 8, 1989
Filed: Jul 6, 1987
Inventors
Frank J. Kierzkowski
John R. Ross
Assignee (at issue)
PEERLESS MFG. 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.