Christopher M. Ettles

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Glenmont, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Member with synthetic surface replicating a surface of a specimen o...
- Patent number 5,509,344
- Issue date Apr 23, 1996
- Rensselaer Polytechnic Institute
- Salvadore J. Calabrese
- B44 - DECORATIVE ARTS
Information Patent Grant
Key covers formed of ivory substitute and pianos having same
- Patent number 5,265,515
- Issue date Nov 30, 1993
- Steinway Musical Properties Inc.
- Salvadore J. Calabrese
- B44 - DECORATIVE ARTS
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