Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12320083 | Cable barrier with dual-column posts | Robert Nichols, Bryan Hudson | 2025-06-03 |
| 12163296 | Kit with cables and embeddable spikes | Robert Nichols, Bryan Hudson | 2024-12-10 |
| 11851833 | Cable barrier | Robert Nichols, Bryan Hudson | 2023-12-26 |
| 11761231 | Rail with brackets | Edward L. Gibbs, Gary W. Vonnahme | 2023-09-19 |
| 11060320 | Barrier with tab-containing rails | Edward L. Gibbs, Gary W. Vonnahme | 2021-07-13 |
| 10604962 | Barrier infill system | Michael D. Elmore, Bryan Hudson, Robert Nichols | 2020-03-31 |
| 10577825 | Conductive barrier | Michael D. Elmore, Bryan Hudson | 2020-03-03 |
| 10538939 | Barrier for sloped terrains | Edward L. Gibbs, Gary W. Vonnahme | 2020-01-21 |
| 9840854 | Terrain-conformable barrier | Edward L. Gibbs, Gary W. Vonnahme | 2017-12-12 |
| 8523150 | Fence with tiltable picket | Edward L. Gibbs, Gary W. Vonnahme | 2013-09-03 |
| 7980534 | Rackable barrier system | Edward L. Gibbs, Gary W. Vonnahme | 2011-07-19 |
| 7896318 | Terrain-conforming barrier | Edward L. Gibbs, Gary W. Vonnahme | 2011-03-01 |
| 7621510 | Terrain-adjustable barrier | Edward L. Gibbs, Gary W. Vonnahme | 2009-11-24 |
| 7282659 | Panel assembly apparatus | Edward L. Gibbs, Gary W. Vonnahme | 2007-10-16 |
| 7159853 | Welded barrier system | Edward L. Gibbs, Gary W. Vonnahme | 2007-01-09 |
| 7071439 | Method for barrier assembly | Edward L. Gibbs, Gary W. Vonnahme | 2006-07-04 |
| 6811145 | Barrier formed by resistance projection welding | Edward L. Gibbs, Gary W. Vonnahme | 2004-11-02 |
| D468028 | Hand rail | Gary W. Vonnahme | 2002-12-31 |
| D467669 | Hand rail | Gary W. Vonnahme | 2002-12-24 |
| D466620 | Fence rail | Gary W. Vonnahme | 2002-12-03 |
| D465856 | Fence rail | Cary W. Vonnahme | 2002-11-19 |