Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4265434 | Hydraulic clamp | Harold V. Hamilton | 1981-05-05 |
| 4249380 | Two stage intensifier | Harold V. Hamilton | 1981-02-10 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4265434 | Hydraulic clamp | Harold V. Hamilton | 1981-05-05 |
| 4249380 | Two stage intensifier | Harold V. Hamilton | 1981-02-10 |