Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE34621 | Self equalizing piercing machine | Robert E. Obrecht | 1994-05-31 |
| 5299489 | Pressure cylinder with low tolerance fit capable of supporting large transverse loads | Robert E. Obrecht | 1994-04-05 |
| 5297382 | Intensifier cylinder | Robert E. Obrecht | 1994-03-29 |
| RE33798 | Self-equalizing piercing machine | — | 1992-01-21 |
| 5054305 | Multiple function hydraulic apparatus | Robert E. Obrecht | 1991-10-08 |
| 4959989 | Force multiplying press | Robert E. Obrecht | 1990-10-02 |
| 4930203 | Clinching tool | Robert E. Obrecht | 1990-06-05 |
| 4916932 | Force multiplying press | Robert E. Obrecht | 1990-04-17 |
| 4905362 | Clinching tool | Robert E. Obrecht | 1990-03-06 |
| 4825525 | Clinching tool | Robert E. Obrecht | 1989-05-02 |
| 4803767 | Clinching tool | Robert E. Obrecht | 1989-02-14 |
| 4763550 | Self equalizing piercing machine | Robert E. Obrecht | 1988-08-16 |
| 4716803 | Self-equalizing piercing machine | — | 1988-01-05 |