Jan B. Chodak

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Rancho Palos Verdes, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Display system having multiple viewing stations
- Patent number 4,421,313
- Issue date Dec 20, 1983
- Mattel, Inc.
- Richard S. Chang
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Electronic stock market terminal game
- Patent number 4,363,489
- Issue date Dec 14, 1982
- Mattel, Inc.
- Jan B. Chodak
- A63 - SPORTS GAMES AMUSEMENTS