Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4449800 | Portable overhead projector | Henry Kyhl | 1984-05-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4449800 | Portable overhead projector | Henry Kyhl | 1984-05-22 |