Granted Patent
Utility
US 6,186,308 · App. 09/296,454
Reverse vending machine
Inventors:
John A. Coyne, Stuart R. Aldrich, Griffin S. Hampson, Kris M. Kiva
Patented Case
View Patent ↗
Granted: Feb 13, 2001
Filed: Apr 21, 1999
Inventors
John A. Coyne
Stuart R. Aldrich
Griffin S. Hampson
Kris M. Kiva
Assignee (at issue)
Can & Bottle Systems, 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.