Gerald E. Schmidt

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Chelmsford, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Impact-reinforced piezocomposite transducer array
- Patent number 6,806,622
- Issue date Oct 19, 2004
- Materials Systems, Inc.
- Gerald E. Schmidt
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Roller transducer apparatus
- Patent number 6,688,178
- Issue date Feb 10, 2004
- Materials Systems, Inc.
- Gerald E. Schmidt
- G01 - MEASURING TESTING
Information Patent Grant
Pressure resistant piezoelectric acoustic sensor
- Patent number 6,262,517
- Issue date Jul 17, 2001
- Materials Systems, Inc.
- Gerald E. Schmidt
- G01 - MEASURING TESTING