Granted Patent
Utility
US 4,453,523 · App. 06/355,914
Pressure balanced flow regulator for gaseous fuel engine
Inventor:
Arthur G. Poehlman
Patented Case
View Patent ↗
Granted: Jun 12, 1984
Filed: Mar 8, 1982
Inventor
Arthur G. Poehlman
Assignee (at issue)
Outboard Marine Corporation
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.