Forward Citations = 25

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3 inventors (with patents filed for the assignee):

Richard E DeFreitas (4 out of 10 patents)

John J Blake (2 out of 2 patents)

Richard E De Freitas (1 out of 3 patents)

5 patents: Sort by Forward Citations

1. 4462106 - Digital encoding circuitry (1984-07-24),

2. 4313204 - Digital encoding circuitry with means to reduce quantization noise (1982-01-26),

3. 4305050 - Circuitry for generating reference signal for delta encoding systems (1981-12-08),

4. 4254502 - Digital encoding circuitry (1981-03-03),

5. 4190801 - Digital encoding circuitry (1980-02-26),

Deltalab Research, Inc. is a leading research and development company that specializes in advanced scientific solutions for various industries. With state-of-the-art facilities and a team of highly skilled researchers, we offer innovative products and services to meet our clients' needs. Our focus areas include biotechnology, pharmaceuticals, environmental sciences, and more. Visit our website for more information.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

5 Patents

#28 in Chelmsford, MA

#2,890 in Massachusetts

#51,545 in US

Chelmsford, MA, United States of America

Deltalab Research, Inc.

Forward Citations = 25

3 inventors:

Richard E DeFreitas (4 out of 10 patents)

John J Blake (2 out of 2 patents)

Richard E De Freitas (1 out of 3 patents)

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