Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6993881 | Joist assembly and chord for use in such joist assembly | Ray C. Ruble, Steven J. Thomas, Steve R. Norman, Lee Sparks | 2006-02-07 |
| 6912787 | Method of forming a joist assembly and a chord used in such joist assembly | Ray C. Ruble, Steven J. Thomas, Steve R. Norman, Lee Sparks | 2005-07-05 |