Granted Patent
Utility
US 6,151,955 · App. 09/368,992
Device and method for testing a vapor recovery system
Inventors:
Gary Michael Ostrowski, Richard M. Smith
Patented Case
View Patent ↗
Granted: Nov 28, 2000
Filed: Aug 5, 1999
Inventors
Gary Michael Ostrowski
Richard M. Smith
Assignee (at issue)
Dresser Equipment Group, 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.