Granted Patent
Utility
US 6,044,862 · App. 09/250,887
Compressor reed valve
Inventors:
Stanley P. Schumann, Frank S. Wallis, Jason Patrick Beresik, Ernie Roger Bergman, Deborah Monnin
Patented Case
View Patent ↗
Granted: Apr 4, 2000
Filed: Feb 16, 1999
Inventors
Stanley P. Schumann
Frank S. Wallis
Jason Patrick Beresik
Ernie Roger Bergman
Deborah Monnin
Assignee (at issue)
Copeland LP
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.