Granted Patent
Utility
US 5,803,115 · App. 08/918,366
Valve for relieving pressure and vacuum conditions in a tank
Inventors:
Mark W. Vertanen, David D. Riley, Matthew T. Higgins
Patented Case
View Patent ↗
Granted: Sep 8, 1998
Filed: Aug 26, 1997
Inventors
Mark W. Vertanen
David D. Riley
Matthew T. Higgins
Assignee (at issue)
Gits Manufacturing Company, LLC
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.