Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831750 | Shoe-construction shoe-construction product and method of fabricating the product | — | 1989-05-23 |
| 4803863 | Apparatus for rolling bar stock | Hugo Feldmann, Claus Schlanzke | 1989-02-14 |