Melvin L. Goldberg

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Brooklyn, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Geometric and cryptographic puzzle
- Patent number 6,027,117
- Issue date Feb 22, 2000
- Melvin L. Goldberg
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Geometric and cryptographic puzzle
- Patent number 5,921,548
- Issue date Jul 13, 1999
- Melvin L. Goldberg
- A63 - SPORTS GAMES AMUSEMENTS