Granted Patent
Utility
US 5,906,296 · App. 08/771,209
Condiment dispensing system utilizing a draw-back valve
Inventors:
Richard A. Martindale, Antonio J. Jepson, Charles E. Bennett, Juha K. Salmela
Patented Case
View Patent ↗
Granted: May 25, 1999
Filed: Dec 20, 1996
Inventors
Richard A. Martindale
Antonio J. Jepson
Charles E. Bennett
Juha K. Salmela
Assignee (at issue)
Automatic Bar Controls, Inc.
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.