Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4266368 | Device for generating a synchronous sound referring to a model railway engine | — | 1981-05-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4266368 | Device for generating a synchronous sound referring to a model railway engine | — | 1981-05-12 |