Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6854216 | Self-storing handrail assembly for telescoping seat assembly | Kenneth A. Ahrens, Richard A. Vance, David C. McCoy | 2005-02-15 |
| 6324790 | Deployable seating arrangement | Melvin J. Guiles, Kenneth A. Ahrens | 2001-12-04 |
| 6185875 | Telescopic seating system with aisle hand rails | Stanley W. McKay, Melvin J. Guiles, Kenneth A. Ahrens | 2001-02-13 |
| 6076306 | Railing system for telescopic seating | Stanley W. McKay, Melvin J. Guiles, Kenneth A. Ahrens | 2000-06-20 |
| D417287 | Handrail | Stanley W. Mc Kay, Melvin J. Guiles, Kenneth A. Ahrens | 1999-11-30 |
| D409311 | Handrail | Stanley W. McKay, Melvin J. Guiles, Kenneth A. Ahrens | 1999-05-04 |
| D402039 | Handrail | Stanley W. McKay, Melvin J. Guiles, Kenneth A. Ahrens | 1998-12-01 |
| 5813663 | Railing system for telescopic seating | Stanley W. McKay, Melvin J. Guiles, Kenneth A. Ahrens | 1998-09-29 |
| D399009 | Handrail | Stanley W. McKay, Melvin J. Guiles, Kenneth A. Ahrens | 1998-09-29 |