Granted Patent
Utility
US 4,909,710 · App. 07/425,473
Linear peristaltic pump
Inventors:
David Kaplan, David H. Burkett, Laurence Warden
Patented Case
View Patent ↗
Granted: Mar 20, 1990
Filed: Oct 23, 1989
Inventors
David Kaplan
David H. Burkett
Laurence Warden
Assignee (at issue)
Fisher Scientific Company, L.L.C.
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.