Granted Patent
Utility
US 5,365,985 · App. 08/154,770
Vapor guard for vapor recovery system
Inventors:
John A. Todd, William H. Constantine
Patented Case
View Patent ↗
Granted: Nov 22, 1994
Filed: Nov 18, 1993
Inventors
John A. Todd
William H. Constantine
Assignee (at issue)
Dresser Industries, 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.