Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8628087 | Personalized mosaic puzzle set | Kenneth C. Knowlton, Hiroshi Kondo | 2014-01-14 |
| 7066820 | Illusion toy | William L. King, Robert L. Carignan, Terry Chan | 2006-06-27 |
| 6976678 | Amusement device completing composite image by reflection | — | 2005-12-20 |
| 6971880 | Deformable drawing tablet | — | 2005-12-06 |
| 6934002 | System for interactive display of a magic show | — | 2005-08-23 |
| 6876976 | Merchandising magic tricks, mechanical or action/motion puzzles | — | 2005-04-05 |
| 6792707 | Personalized animation by selective reflection | — | 2004-09-21 |
| 6174241 | Book-form magic set | Anne Benkovitz | 2001-01-16 |
| 5678822 | Kineographic playing cards | — | 1997-10-21 |
| 5558550 | Simulated finger device | — | 1996-09-24 |
| 5445565 | Table top magic theater set | — | 1995-08-29 |
| 5409420 | Spectator failure trick involving suspension illusion | — | 1995-04-25 |
| D354830 | Savings bank | Tooru Suzuki | 1995-01-24 |
| 5348220 | Savings box | — | 1994-09-20 |
| 5174570 | Image transformation puzzles | — | 1992-12-29 |
| 4948241 | Device for creating a variety of visual images | — | 1990-08-14 |
| 4854591 | Three dimensional puzzle employing a reflective surface | — | 1989-08-08 |
| 4573683 | Educational puzzle cube | Stewart Lamle | 1986-03-04 |
| 4440395 | Variable geometric board game | Joseph F. Hyland, Joseph J. Wetherell | 1984-04-03 |