Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D500243 | Rebar, beam and mesh highchair | — | 2004-12-28 |
| D324643 | Rebar and beam highchair | Robert C. Sims, Richard M. Sims | 1992-03-17 |
| 4942714 | Rebar and beam bolster, slab and beam bolster upper | Marshall E. Langley, Jr., Robert C. Sims, Richard M. Sims | 1990-07-24 |