Granted Patent
Utility
US 6,581,396 · App. 10/151,513
Refrigerated vending machine exploiting expanded temperature variance during power-conservation mode
Inventor:
David J. Schanin
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: May 20, 2002
Inventor
David J. Schanin
Assignee (at issue)
Bayview Technology Group, 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.