Granted Patent
Utility
US 6,589,484 · App. 09/749,977
One-piece pipette/dropper assembly and the method of making same
Inventor:
John D. Buehler
Patented Case
View Patent ↗
Granted: Jul 8, 2003
Filed: Dec 28, 2000
Inventor
John D. Buehler
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.