Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12006643 | Sound dampening barrier wall | — | 2024-06-11 |
| 10400402 | Wall panels, barrier wall constructed from same, and methods of making both | Donald J. Parks | 2019-09-03 |
| 10221529 | Wall panels, barrier wall constructed from same, and methods of making both | Donald J. Parks | 2019-03-05 |
| 9708781 | Barrier wall and method of forming wall panels between vertical wall stiffeners with support members extending partially through the wall panels | Donald J. Parks, James Beavers | 2017-07-18 |
| 8561371 | Barrier wall and method of forming wall panels between vertical wall stiffeners with support members extending partially through the wall panels | Donald J. Parks, James Beavers | 2013-10-22 |
| D662341 | Adjustable shelf | — | 2012-06-26 |
| D643500 | Rifle rack | — | 2011-08-16 |
| 7198307 | Inertia locking mechanism | Stephen Drysdale, Glenn Cotter, Jagjit Golar, Morten Ketelsen, Nigel Spurr +2 more | 2007-04-03 |
| 6971688 | Inertia locking mechanism | Stephen Drysdale, Glenn Cotter, Jagjit Golar, Morten Ketelsen, Nigel Spurr +2 more | 2005-12-06 |