Granted Patent
Utility
US 4,910,682 · App. 07/134,832
Method of calibrating and determining the rotational and fluid delivery velocities of a peristaltic fluid pump
Inventors:
Donald L. Wolff, Porter T. McCauley, Paul Stiefel, Gyoergy J. Takacs, Roman A. Adams
Patented Case
View Patent ↗
Granted: Mar 20, 1990
Filed: Dec 18, 1987
Inventors
Donald L. Wolff
Porter T. McCauley
Paul Stiefel
Gyoergy J. Takacs
Roman A. Adams
Assignee (at issue)
COLE-PARMER INSTRUMENT COMPANY LLC
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.