Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4604255 | Method for fabricating molded bodies formed at least partially of swelled clay material and apparatus for the performance of the method | Dieter Sutterlin | 1986-08-05 |
| 4312164 | Insulating bonded masonry | Peter Keller | 1982-01-26 |