William O. Gustafson

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Fresno, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Manipulatable puzzle toy
- Patent number 4,522,401
- Issue date Jun 11, 1985
- William O. Gustafson
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Manipulable icosahedron toy
- Patent number 4,474,376
- Issue date Oct 2, 1984
- William O. Gustafson
- A63 - SPORTS GAMES AMUSEMENTS