Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6185875 | Telescopic seating system with aisle hand rails | Daniel R. Victor, Melvin J. Guiles, Kenneth A. Ahrens | 2001-02-13 |
| 6076306 | Railing system for telescopic seating | Daniel R. Victor, Melvin J. Guiles, Kenneth A. Ahrens | 2000-06-20 |
| D409311 | Handrail | Daniel R. Victor, Melvin J. Guiles, Kenneth A. Ahrens | 1999-05-04 |
| D402039 | Handrail | Daniel R. Victor, Melvin J. Guiles, Kenneth A. Ahrens | 1998-12-01 |
| 5813663 | Railing system for telescopic seating | Daniel R. Victor, Melvin J. Guiles, Kenneth A. Ahrens | 1998-09-29 |
| D399009 | Handrail | Daniel R. Victor, Melvin J. Guiles, Kenneth A. Ahrens | 1998-09-29 |