Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6736365 | Valve for use in producing cast concrete articles | William S. Long, III | 2004-05-18 |
| 6395213 | Apparatus and method for producing cast concrete articles | William S. Long, III | 2002-05-28 |