Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8733334 | Toy hand grenade with timer mechanism | David E. Mroczka | 2014-05-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8733334 | Toy hand grenade with timer mechanism | David E. Mroczka | 2014-05-27 |