Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4619073 | Adjustable shutter assembly and method of making the same | Ingo Janthur, Alfred H. Roth | 1986-10-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4619073 | Adjustable shutter assembly and method of making the same | Ingo Janthur, Alfred H. Roth | 1986-10-28 |