Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5184822 | Three-dimensional puzzle | Jozsef Bognar | 1993-02-09 |
| 5042118 | Clamping device | — | 1991-08-27 |
| 4817952 | Electronic spatial logical toy containing movable and/or rotatable elements | Gabor Biro, Robert Breitner, Gabor Fazekas, Istvan Hejjas, Peter Niklai +2 more | 1989-04-04 |
| 4773619 | Aircraft structure for take-off and landing on a pilot's feet | — | 1988-09-27 |
| 4685681 | Composite array apparatus and method | Cheung K. Fai | 1987-08-11 |
| 4685680 | Foldable composite system | — | 1987-08-11 |
| 4640062 | Framework truss with variable cantilever length | — | 1987-02-03 |
| 4471959 | Logical toy | — | 1984-09-18 |
| 4410179 | Shiftable element puzzle | — | 1983-10-18 |
| 4392323 | Toy with turnable elements for forming geometric shapes | — | 1983-07-12 |
| 4378116 | Spatial logical toy | — | 1983-03-29 |
| 4378117 | Spatial logical toy | — | 1983-03-29 |