Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9387516 | Device and method to attach disc to shaft | Nicholas Davis | 2016-07-12 |
| 9027762 | Multi-disc assembly for disc screen | Robert M. Davis | 2015-05-12 |
| 8517181 | Multi-disc assembly for disc screen | Robert M. Davis | 2013-08-27 |
| 6648145 | V-shaped disc screen and method of classifying mixed recyclable materials into four streams | Robert M. Davis | 2003-11-18 |