Granted Patent
Utility
US 5,911,239 · App. 08/917,871
Metering valve
Inventors:
Henry D. Barthalow, William E. Hull, Claude R. Zimmerman
Patented Case
View Patent ↗
Granted: Jun 15, 1999
Filed: Aug 27, 1997
Inventors
Henry D. Barthalow
William E. Hull
Claude R. Zimmerman
Assignee (at issue)
Kiddie 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.