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Fred M. Dellorfano, Jr. and Donald P. Massa, Trustees of the Stoneleigh

USPTO Granted Patents = 7

Forward Citations = 46

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3 inventors (with patents filed for the assignee):

Frank Massa (6 out of 43 patents)

Donald P Massa (2 out of 14 patents)

Gilbert C Barrow (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 4128370 - Manufacture of electroacoustic transducers which require molding an (1978-12-05),

2. 4033180 - Ultrasonic microphone for operating with an accumulated layer of mud (1977-07-05),

3. 4028504 - Acoustic amplifier combined with transducer shock mount (1977-06-07),

4. 4011473 - Ultrasonic transducer with improved transient response and method for (1977-03-08),

5. 3967260 - Intrusion alarm system with improved air turbulence compensation (1976-06-29),

6. 3937991 - Electroacoustic transducers of the bilaminar flexural vibrating type and (1976-02-10),

7. 3932833 - Instrument for direct measurement of the velocity of sound in a fluid (1976-01-13),

Fred M. Dellorfano, Jr. and Donald P. Massa are Trustees of the Stoneleigh Foundation, a philanthropic organization dedicated to investing in the wellbeing of children and families. The foundation focuses on supporting innovative programs and initiatives that promote positive social change and strengthen communities. For more information, please visit their website.

This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

7 Patents

#149 in undefined, undefined

#381 in

#38,835 in US