Stefan Manthei

Follow

Person

Furth/Bay, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Modular-design toy system
- Patent number 5,839,938
- Issue date Nov 24, 1998
- Geobra Brandstatter GmbH & Co. KG
- Stefan Manthei
- A63 - SPORTS GAMES AMUSEMENTS