Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6074589 | Tool for cutting and shaping an unfinished concrete roofing tiles and a method for using a tool for cutting and shaping unfinished roofing tiles | Helmut Rapp, Frank Wojtalewicz | 2000-06-13 |