Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7520793 | Manipulative toy having interchangeable appendages | Gopala Pillai, Mike Grasela, Jason Karecki | 2009-04-21 |
| 7362661 | Device for teaching time | Michael K. Grasela | 2008-04-22 |