Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5957139 | Method of producing a wig for a toy figure | — | 1999-09-28 |
| 5322466 | Detachable connecting device for toy-construction elements | Heinz Looser | 1994-06-21 |
| 5304086 | Toy construction element | Heinz Looser | 1994-04-19 |
| 5094643 | Connecting device for toy construction elements | Heinz Looser | 1992-03-10 |
| 5087001 | Actuating device in a toy track assembly | Philippe Kunz, Heinz Looser, Werner Tanner | 1992-02-11 |
| 4998903 | Toy actuation system | Werner Tanner | 1991-03-12 |
| 4992069 | Building set having plug-in building blocks for building in layers | Heinz Looser | 1991-02-12 |
| 4883440 | Electrified toy building block with zig-zag current carrying structure | — | 1989-11-28 |
| 4861306 | Toy cog railway | Heniz Looser, Werner Tanner | 1989-08-29 |
| 4726515 | Track system for toy vehicles | Heinz Looser, Werner Tanner | 1988-02-23 |
| 4556393 | Toy building block with electrical contacts | — | 1985-12-03 |
| 4552541 | Toy building block with electrical contacting portions | — | 1985-11-12 |