Granted Patent
Utility
US 5,465,629 · App. 08/225,494
Liquid dispensing system with acoustic sensing means
Inventor:
John E. Waylett, Jr.
Patented Case
View Patent ↗
Granted: Nov 14, 1995
Filed: Apr 11, 1994
Inventor
John E. Waylett, Jr.
Assignee (at issue)
Behring Diagnostics GmbH
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.