Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4647099 | Lifting head | Joe Rodney Berry, William R. Hamilton | 1987-03-03 |
| 4256811 | Coating composition for steel containing zinc metal, zinc oxide, molybdenum sulfide, a resin and a solvent | — | 1981-03-17 |