Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D604981 | Miracle shelf | Leslie A. Frank | 2009-12-01 |
| 4686913 | Refuse derived fuel delivery system and distribution conveyors | Donald J. Kaminski, Craig S. Grinsteiner | 1987-08-18 |