Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5397261 | Combination beverage insulator and flying toy | Douglas J. Malewicki | 1995-03-14 |
| 5052680 | Trailerable robot for crushing vehicles | Douglas J. Malewicki, Philip C. Emmons, Douglas D. Schumann, Jr. | 1991-10-01 |
| D318500 | Monster toy robot | Douglas J. Malewicki | 1991-07-23 |