Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4771144 | Apparatus and process for using a self-aligning bearing | — | 1988-09-13 |
| 4767901 | Process for making an enclosure outlet connection device | — | 1988-08-30 |
| 4640369 | Slide bar mining bolting machine | — | 1987-02-03 |
| 4445663 | Rotating device for drill mast | — | 1984-05-01 |
| 4415208 | Cutter bit assembly | — | 1983-11-15 |
| 4206833 | Mobile aerial tower | — | 1980-06-10 |