Albert W. Nordquist

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Ivoryton, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Keyboard switch having a deformable membrane formed of cellular ure...
- Patent number 4,500,756
- Issue date Feb 19, 1985
- Pratt-Read Corporation
- Frederick C. Feagans
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Keyboard for musical instrument
- Patent number 4,418,605
- Issue date Dec 6, 1983
- Pratt-Read Corporation
- Kjell T. Tollefsen
- G10 - MUSICAL INSTRUMENTS ACOUSTICS