Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11591138 | Beverage can coupler assembly | — | 2023-02-28 |
| 6293628 | Hydraulic scroll auger mining system and method of using the same | Jeffrey J. Schwoebel, Donald B. Sult | 2001-09-25 |
| 6283277 | Self-propelled, mobile articulated tramming haulage conveyor system for mining operations | Gregory W. Smith, Frank N. Kent | 2001-09-04 |
| 5879057 | Horizontal remote mining system, and method | Jeffrey J. Schwoebel, Carl W. Smith | 1999-03-09 |