Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4640054 | Sashes and matching frames for windows and glass doors | Heinrich Eickhoff, Hans Erdmann, Hans D. Kuhnel | 1987-02-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4640054 | Sashes and matching frames for windows and glass doors | Heinrich Eickhoff, Hans Erdmann, Hans D. Kuhnel | 1987-02-03 |