Granted Patent
Utility
US 5,931,182 · App. 09/116,829
Pressure reducing valve
Inventors:
Roger L. Craft, James V. Mascola
Patented Case
View Patent ↗
Granted: Aug 3, 1999
Filed: Jul 16, 1998
Inventors
Roger L. Craft
James V. Mascola
Assignee (at issue)
VEKTEK, 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.