Granted Patent
Utility
US 6,280,689 · App. 09/361,838
Dripless pipet
Inventor:
Timothy A. Stevens
Patented Case
View Patent ↗
Granted: Aug 28, 2001
Filed: Jul 27, 1999
Inventor
Timothy A. Stevens
Assignee (at issue)
BECTON, DICKINSON AND 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.