Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4990300 | Process for mixing and conveying polyurethane into a shoe sole mold cavity | — | 1991-02-05 |
| 4873049 | Molding outer and inner soles onto shoe uppers | Reinhard Landwehr | 1989-10-10 |
| 4810178 | Apparatus for molding outer and inner soles onto shoe uppers | Manfred Proll | 1989-03-07 |
| 4801256 | Molding outer and inner soles onto shoe uppers | Reinhard Landwehr | 1989-01-31 |
| 4778368 | Device for the production of boots having portions of different colors | Klaus-Jurgen Zierott | 1988-10-18 |
| 4722677 | Device for the moulding and direct attachment of soles to shoe shafts | — | 1988-02-02 |
| 4193701 | Mixing head for a plurality of fluid components | Freidrich Koch, Ralf Ludwig, Herbert Gunther | 1980-03-18 |