Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6786233 | Boom utilizing composite material construction | David R. Bissen, Lawrence P. Schmidt, Brian E. Spencer, Leo B. Willner, Richard T. Atherton +1 more | 2004-09-07 |
| 6755212 | Boom stiffening system | David R. Bissen, Lawrence P. Schmidt, Brian E. Spencer, Richard L. Grover, Leo B. Willner | 2004-06-29 |
| 6698451 | Conveying pipeline mounted inside a boom | Lawrence P. Schmidt, David R. Bissen, Brian E. Spencer, Leo B. Willner | 2004-03-02 |