Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10954690 | Pipe fence and method of construction | — | 2021-03-23 |
| 8043141 | Throwing wheel assembly | — | 2011-10-25 |
| 7311584 | Abrasive throwing wheel and improved blade assembly | — | 2007-12-25 |
| 6981910 | Throwing wheel assembly | — | 2006-01-03 |
| 5259890 | Washing device for machine parts and method of using the device | — | 1993-11-09 |
| 4394256 | Apparatus for separating abrasive blasting media from debris | — | 1983-07-19 |
| 4364823 | Apparatus for separating abrasive blasting media from debris | — | 1982-12-21 |
| 4333276 | Tumbling apparatus | — | 1982-06-08 |
| 4298231 | Apparatus for use in under-ground long wall mine workings | Adam Spence | 1981-11-03 |
| 4274765 | Mining equipment | Adam Spence | 1981-06-23 |
| 4268089 | Mounting means for pick on mining drum vane | Adam Spence | 1981-05-19 |
| 4249350 | Abrasive throwing wheel and improved blade assembly | — | 1981-02-10 |
| 4244150 | One-piece abrasive blasting wheel | — | 1981-01-13 |