Granted Patent
Utility
US 6,594,535 · App. 09/229,398
Material and inventory control system for a demand flow process
Inventor:
John R. Costanza
Patented Case
View Patent ↗
Granted: Jul 15, 2003
Filed: Jan 11, 1999
Inventor
John R. Costanza
Assignee (at issue)
Demand Flow Institute, LLC
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.