Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5028056 | Fiber composite sealing element | Steve Bemis | 1991-07-02 |
| 5004513 | Method for forming a fiber composite sealing element | Steve Bemis | 1991-04-02 |
| 4684303 | Drill stand with a guide column | Wolfgang Erdt, Rudolf Reitberger | 1987-08-04 |