Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10400402 | Wall panels, barrier wall constructed from same, and methods of making both | Keith A. Sanders | 2019-09-03 |
| 10221529 | Wall panels, barrier wall constructed from same, and methods of making both | Keith A. Sanders | 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 | Keith A. Sanders, 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 | Keith A. Sanders, James Beavers | 2013-10-22 |
| 5444307 | Wiper-activated headlight circuit | Allen R. Sheets | 1995-08-22 |
| 4958845 | Extendable trailer apparatus | — | 1990-09-25 |