Issued Patents All Time
Showing 1–2 of 2 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, Heinrich Stephan | 2000-06-13 |
| 5885055 | Collation assemblies | Helmut Rapp, Dietrich Thor Straten, Gunter Weiss, Peter Srostlik, Nicholas Lyons +3 more | 1999-03-23 |