Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D407132 | Sandbox | — | 1999-03-23 |
| D331777 | Combined writing instrument and random number selector | Leonhard Augenstein | 1992-12-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D407132 | Sandbox | — | 1999-03-23 |
| D331777 | Combined writing instrument and random number selector | Leonhard Augenstein | 1992-12-15 |