Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4921217 | Ground rods and apparatus for forming and placing such rods | Anton M. Kies | 1990-05-01 |
| 4870848 | Tapered rolled thread bar joint | Anton M. Kies, Geoff M. Bowmer | 1989-10-03 |
| 4819469 | Method for rolling tapered threads on bars | Anton M. Kies, Geoff M. Bowmer | 1989-04-11 |