Granted Patent
Utility
US 6,452,354 · App. 09/798,786
Closed loop control system for producing a sealed pouch
Inventors:
W. David Ellsworth, Larry Powell, David I. Laber
Patented Case
View Patent ↗
Granted: Sep 17, 2002
Filed: Mar 2, 2001
Inventors
W. David Ellsworth
Larry Powell
David I. Laber
Assignee (at issue)
Hudson-Sharp Machine 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.