Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5692285 | Butt fusion apparatus with means for changing quickly between straight pipe and pipe fitting attachment positions, and method | Jack Lee Workman, Gary Wayne Gunno | 1997-12-02 |
| 4192551 | Remote control system for mining machines | William S. Locks, Edwin B. Wilson, Francis G. Miller | 1980-03-11 |