Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4313282 | Window crank assembly | Edmund Hagemann | 1982-02-02 |
| 4299057 | Window operating assembly | Edmund Hagemann | 1981-11-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4313282 | Window crank assembly | Edmund Hagemann | 1982-02-02 |
| 4299057 | Window operating assembly | Edmund Hagemann | 1981-11-10 |