Renselaer Polytechnic Institute

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Troy, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Piano key covers formed of ivory substitute and pianos having same
- Patent number 5,183,955
- Issue date Feb 2, 1993
- Renselaer Polytechnic Institute
- Salvadore J. Calabrese
- B44 - DECORATIVE ARTS