Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11332923 | Rotational connections for stairs | Anthony J. Peachy, Robert James Belvin, Darko Ostojic | 2022-05-17 |
| 11332940 | Moveable stair systems and methods | Bryan I. Charles, Roger W. Barr, Anthony J. Peachey, Timothy A. Fisher, Harold Dale Mathias +4 more | 2022-05-17 |
| 10968636 | Moveable stair systems and methods | Bryan I. Charles, Roger W. Barr, Anthony J. Peachey, Timothy A. Fisher, Harold Dale Mathias +4 more | 2021-04-06 |
| 10584480 | Stair expansion joint system with freedom of movement between landings | Bryan I. Charles, Roger W. Barr, Anthony J. Peachey, Timothy A. Fisher, Harold Dale Mathias +2 more | 2020-03-10 |
| 9869084 | Stair expansion joint system with freedom of movement between landings | Bryan I. Charles, Roger W. Barr, Anthony J. Peachey, Timothy A. Fisher, Harold Dale Mathias +2 more | 2018-01-16 |
| 9758981 | Stair expansion joint system with freedom of movement between landings | Bryan I. Charles, Roger W. Barr, Anthony J. Peachey, Timothy A. Fisher, Harold Dale Mathias +2 more | 2017-09-12 |
| 9428904 | Modular joint barrier retainer assembly and method | Roger W. Barr | 2016-08-30 |