Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5879057 | Horizontal remote mining system, and method | Jeffrey J. Schwoebel, William J. Peters | 1999-03-09 |
| 5246274 | Remote mining haulage system with self-advancing mobile tailpiece and method of operating same | Lawrence E. Meade, Jr. | 1993-09-21 |
| 4546767 | Cement injection device | — | 1985-10-15 |
| 4213194 | Acoustic archeological mapping method | Eugene M. Spurlock | 1980-07-15 |