Granted Patent
Utility
US 6,668,855 · App. 09/898,571
Direct-acting pressure regulator
Inventors:
Paul W. Heald, Christopher Glenn Turney, Loftus A. Fitzwater, III, Mark E. Hood, Charles M. Olds
Patented Case
View Patent ↗
Granted: Dec 30, 2003
Filed: Jul 3, 2001
Inventors
Paul W. Heald
Christopher Glenn Turney
Loftus A. Fitzwater, III
Mark E. Hood
Charles M. Olds
Assignee (at issue)
S.H. Leggitt Company
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.