Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6488491 | Apparatus for molding blocks having air knife cleansing system | Stanley R. Nelson | 2002-12-03 |
| 6425751 | Apparatus for molding blocks | Rene Bergeron, Stanley R. Nelson | 2002-07-30 |