Granted Patent
Utility
US 4,418,580 · App. 06/310,489
Pipettor mechanism and disposable tip and piston assembly
Inventors:
Fred E. Satchell, William D. Cornell, Mark O. Uitz, Clarence L. Walker
Patented Case
View Patent ↗
Granted: Dec 6, 1983
Filed: Oct 13, 1981
Inventors
Fred E. Satchell
William D. Cornell
Mark O. Uitz
Clarence L. Walker
Assignee (at issue)
Sherwood Medical Company
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.