Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4660344 | Apparatus and procedure for forming pre-shaped interlocking cement slabs | Edward E. Shepler | 1987-04-28 |
| 4228985 | Apparatus for producing molded concrete products | Edward E. Shepler | 1980-10-21 |