Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6675947 | Recycling machine with container compacting system | Kris M. Kiva, Stuart R. Aldrich | 2004-01-13 |
| 6547055 | Reverse vending machine | Stuart R. Aldrich, Griffin S. Hampson, Kris M. Kiva | 2003-04-15 |
| 6186308 | Reverse vending machine | Stuart R. Aldrich, Griffin S. Hampson, Kris M. Kiva | 2001-02-13 |
| 5927462 | Recycling machine with container compacting system | Kris M. Kiva, Stuart R. Aldrich | 1999-07-27 |