Granted Patent
Utility
US 5,456,582 · App. 08/173,632
Compressor inlet valve with improved response time
Inventors:
Mark Alan Firnhaber, Sylvester Poplawski
Patented Case
View Patent ↗
Granted: Oct 10, 1995
Filed: Dec 23, 1993
Inventors
Mark Alan Firnhaber
Sylvester Poplawski
Assignee (at issue)
SULLAIR, LLC
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.