Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6905021 | Pallet members having features for storing boxes and other articles | Douglas Polumbaum | 2005-06-14 |
| 5759083 | Toy vehicle with integral ball playing apparatus | Douglas Polumbaum | 1998-06-02 |