Granted Patent
Utility
US 4,926,701 · App. 07/323,249
Pipetting method and apparatus
Inventor:
David Tompkins
Patented Case
View Patent ↗
Granted: May 22, 1990
Filed: Mar 9, 1989
Inventor
David Tompkins
Assignee (at issue)
Kontron Instruments AG
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.