Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10060146 | I-beam-attachable lifeline system | Robert J. Simmons, Maxwell C. Simmons | 2018-08-28 |
| D796774 | Rail pallet | Robert J. Simmons, Maxwell C. Simmons | 2017-09-05 |
| D777947 | Modular ladder | Robert J. Simmons, Maxwell C. Simmons | 2017-01-31 |
| D768420 | Toe kick | Robert J. Simmons, Maxwell C. Simmons | 2016-10-11 |
| D768466 | Rail pocket | Robert J. Simmons, Maxwell C. Simmons | 2016-10-11 |