Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6656299 | Method and apparatus for structural repair | Duane D. Grosskrueger, Keith Y. Hora, Vittorio C. Orsini | 2003-12-02 |
| 5992328 | Separation system | Jim W. Blain, Robert Arthur Nelson, Duane D. Grosskrueger, John J. Smith | 1999-11-30 |
| 5983802 | Separation system | Jim W. Blain, Robert Arthur Nelson, Duane D. Grosskrueger, John J. Smith | 1999-11-16 |
| 5969287 | Separation system | Jim W. Blain, Robert Arthur Nelson, Duane D. Grosskrueger, John J. Smith | 1999-10-19 |