Granted Patent
Utility
US 6,694,221 · App. 10/008,612
Controlled inventory device and method using pressure transducer
Inventors:
Jeffrey Chavez, Anton Visser, Peter Godlewski
Patented Case
View Patent ↗
Granted: Feb 17, 2004
Filed: Oct 23, 2001
Inventors
Jeffrey Chavez
Anton Visser
Peter Godlewski
Assignee (at issue)
DispenseSource, 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.