The Stoneleigh Trust

Organization

Cohasset, MA, US

Organizations

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Patents Grantslast 30 patents

Information Patent Grant
Hydrophone design to overcome reduction in leakage resistance betwe...
- Patent number 4,700,333
- Issue date Oct 13, 1987
- The Stoneleigh Trust
- Frank Massa
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Grant
Mechanoacoustic transducer for use in transmitting high acoustic po...
- Patent number 4,469,175
- Issue date Sep 4, 1984
- The Stoneleigh Trust
- Frank Massa
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Acoustic alarm repeater system
- Patent number 4,450,436
- Issue date May 22, 1984
- The Stoneleigh Trust
- Donald P. Massa
- G08 - SIGNALLING
Information Patent Grant
High efficiency broadband directional sonar transducer
- Patent number 4,439,847
- Issue date Mar 27, 1984
- The Stoneleigh Trust
- Frank Massa
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Grant
Ultrasonic transducers
- Patent number 4,433,399
- Issue date Feb 21, 1984
- The Stoneleigh Trust
- Frank Massa
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Grant
Means for detecting the accumulation of frost in a low temperature...
- Patent number 4,428,206
- Issue date Jan 31, 1984
- The Stoneleigh Trust
- Frank Massa
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Means for detecting the accumulation of frost in a low temperature...
- Patent number 4,348,869
- Issue date Sep 14, 1982
- The Stoneleigh Trust
- Frank Massa
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Apparatus and method for the non-destructive testing of the physica...
- Patent number 4,342,229
- Issue date Aug 3, 1982
- The Stoneleigh Trust
- Frank Massa
- G01 - MEASURING TESTING
Information Patent Grant
Mechanoacoustic transducer for use in transmitting high acoustic po...
- Patent number 4,332,017
- Issue date May 25, 1982
- The Stoneleigh Trust
- Frank Massa
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Low-frequency directional sonar systems
- Patent number 4,305,141
- Issue date Dec 8, 1981
- The Stoneleigh Trust
- Frank Massa
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Grant
Low frequency sonar systems
- Patent number 4,305,140
- Issue date Dec 8, 1981
- The Stoneleigh Trust
- Frank Massa
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Grant
Resonant electroacoustic transducer with increased band width response
- Patent number 4,297,538
- Issue date Oct 27, 1981
- The Stoneleigh Trust
- Frank Massa
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
System for precisely and economically adjusting the resonance frequ...
- Patent number 4,281,484
- Issue date Aug 4, 1981
- The Stoneleigh Trust
- Frank Massa
- B24 - GRINDING POLISHING
Information Patent Grant
Sonic ranging systems to eliminate errors due to variations in the...
- Patent number 4,210,969
- Issue date Jul 1, 1980
- The Stoneleigh Trust
- Frank Massa
- G01 - MEASURING TESTING
Information Patent Grant
Intrusion alarm systems
- Patent number 4,189,719
- Issue date Feb 19, 1980
- The Stoneleigh Trust
- Donald P. Massa
- G08 - SIGNALLING

The Stoneleigh Trust

Organization

Patents Grantslast 30 patents

Hydrophone design to overcome reduction in leakage resistance betwe...

Mechanoacoustic transducer for use in transmitting high acoustic po...

Acoustic alarm repeater system

High efficiency broadband directional sonar transducer

Ultrasonic transducers

Means for detecting the accumulation of frost in a low temperature...

Means for detecting the accumulation of frost in a low temperature...

Apparatus and method for the non-destructive testing of the physica...

Mechanoacoustic transducer for use in transmitting high acoustic po...

Low-frequency directional sonar systems

Low frequency sonar systems

Resonant electroacoustic transducer with increased band width response

System for precisely and economically adjusting the resonance frequ...

Sonic ranging systems to eliminate errors due to variations in the...

Intrusion alarm systems