Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4637559 | Sand lump crushing device | James H. Carpenter, Russell L. Rowe | 1987-01-20 |
| 4324367 | Sand lump crushing device | James H. Carpenter, Russell L. Rowe | 1982-04-13 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4637559 | Sand lump crushing device | James H. Carpenter, Russell L. Rowe | 1987-01-20 |
| 4324367 | Sand lump crushing device | James H. Carpenter, Russell L. Rowe | 1982-04-13 |