Granted Patent
Utility
US 5,620,031 · App. 08/486,102
Vapor recovery fuel nozzles
Inventors:
Mark D. Dalhart, Paul B. Anderson, David A. Damico
Patented Case
View Patent ↗
Granted: Apr 15, 1997
Filed: Jun 7, 1995
Inventors
Mark D. Dalhart
Paul B. Anderson
David A. Damico
Assignee (at issue)
Dover Associates, 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.