Granted Patent
Utility
US 6,000,415 · App. 08/855,827
Method and apparatus for positioning a restrictor shield of a pump in response to an electric signal
Inventors:
David Datong Huo, Bret W. Adams, John Jarvis
Patented Case
View Patent ↗
Granted: Dec 14, 1999
Filed: May 12, 1997
Inventors
David Datong Huo
Bret W. Adams
John Jarvis
Assignees (at issue)
Applied Materials, Inc.
Motorola, 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.