Erick E. Erickson

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Chicago, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Illusion creating visual display device
- Patent number 4,490,745
- Issue date Dec 25, 1984
- Erick E. Erickson
- G02 - OPTICS
Information Patent Grant
Musical light toy
- Patent number 4,344,346
- Issue date Aug 17, 1982
- Marvin Glass & Associates
- Erick E. Erickson
- G10 - MUSICAL INSTRUMENTS ACOUSTICS