Granted Patent
Utility
US 6,029,702 · App. 08/813,805
Valve with internal diffuser
Inventors:
Chris M. Leinen, Stephen Hodgson
Patented Case
View Patent ↗
Granted: Feb 29, 2000
Filed: Mar 6, 1997
Inventors
Chris M. Leinen
Stephen Hodgson
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.