Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D312669 | Wheeled doll house | Douglas Polumbaum | 1990-12-04 |
| 4762319 | Convertible sports stand construction | — | 1988-08-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D312669 | Wheeled doll house | Douglas Polumbaum | 1990-12-04 |
| 4762319 | Convertible sports stand construction | — | 1988-08-09 |