Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6202745 | Wellhead apparatus | Larry E. Reimert | 2001-03-20 |
| 5787317 | Shoulder carrier for camera | — | 1998-07-28 |
| 4365124 | Pressure sensitive machine safety switch | — | 1982-12-21 |
| 4355605 | Motor brake control method | Melvin Nieberger | 1982-10-26 |
| 4305353 | Motor brake control system for controlling motor runaway | Melvin Nieberger | 1981-12-15 |
| 4290240 | Automatic equalizer for abrasive belt | — | 1981-09-22 |
| 4258506 | Apparatus for scale and slag removal | — | 1981-03-31 |
| 4223649 | Motor brake control system | Melvin Nieberger | 1980-09-23 |