Granted Patent
Utility
US 5,709,539 · App. 08/646,807
Pressing plate for linearized pulses from a peristaltic pump
Inventors:
Michael Ron Hammer, Christopher J. Park, Brian Lawrence Allen, Thomas Turney
Patented Case
View Patent ↗
Granted: Jan 20, 1998
Filed: May 21, 1996
Inventors
Michael Ron Hammer
Christopher J. Park
Brian Lawrence Allen
Thomas Turney
Assignee (at issue)
Varian, 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.