Granted Patent
Utility
US 6,125,871 · App. 09/235,886
Valve assembly with flush and sample capability
Inventors:
Gilbert J. Drab, Christopher Sweeney, Akimoto Ochi
Patented Case
View Patent ↗
Granted: Oct 3, 2000
Filed: Jan 22, 1999
Inventors
Gilbert J. Drab
Christopher Sweeney
Akimoto Ochi
Assignee (at issue)
Ashland, 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.