Granted Patent
Utility
US 5,738,498 · App. 08/673,202
Apparatus and method for thermoelectric cooling of an extraction fluid pump
Inventors:
Robert W. Allington, Daniel G. Jameson, Dale A. Davison, Dale L. Clay, Robin R. Winter, Yoossef Tehrani
Patented Case
View Patent ↗
Granted: Apr 14, 1998
Filed: Jun 27, 1996
Inventors
Robert W. Allington
Daniel G. Jameson
Dale A. Davison
Dale L. Clay
Robin R. Winter
Yoossef Tehrani
Assignee (at issue)
Isco, 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.