Granted Patent
Utility
US 6,328,279 · App. 09/495,408
Miniature electrically operated diaphragm valve
Inventors:
Douglas R. Adkins, Barry L. Spletzer, Chungnin C. Wong, Gregory C. Frye-Mason, Gary J. Fischer, Peter J. Hesketh
Patented Case
View Patent ↗
Granted: Dec 11, 2001
Filed: Jan 31, 2000
Inventors
Douglas R. Adkins
Barry L. Spletzer
Chungnin C. Wong
Gregory C. Frye-Mason
Gary J. Fischer
Peter J. Hesketh
Assignee (at issue)
Sandia Corporation
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.