Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5857730 | Low visibility armor structure with add-on window armor component | John G. Korpi, Paul A. Petrovich, John J. Schmitz, Jack G. Rodgers | 1999-01-12 |
| 5299653 | Work station with mobile elevatable work platform | — | 1994-04-05 |
| 5189854 | Adjustable height stairway | — | 1993-03-02 |