Granted Patent
Utility
US 4,572,477 · App. 06/537,653
Regulated gas flow control valve
Inventors:
James R. Phlipot, Steve R. Pinkston, Leland L. Seghetti
Patented Case
View Patent ↗
Granted: Feb 25, 1986
Filed: Sep 30, 1983
Inventors
James R. Phlipot
Steve R. Pinkston
Leland L. Seghetti
Assignee (at issue)
Essex Industries, 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.