Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4214387 | Trenching apparatus and method | Herman F. Boehme, Joe C. Lochridge | 1980-07-29 |
| 4190382 | Separable trenching apparatus | Thomas R. Schmitz, Joe C. Lochridge, William A. Morgan | 1980-02-26 |