Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4260126 | Apparatus for in-situ production of concrete slabs | Philipp Schreck | 1981-04-07 |
| 4231977 | Method and apparatus for in-situ production of concrete slabs | Philipp Schreck | 1980-11-04 |