For the Inventor, By the Inventor

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North Adams, MA, United States of America

Sprague Electric Company

USPTO Granted Patents = 292

Trademarks = 2

Forward Citations = 4,677

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185 inventors (with patents filed for the assignee):

Sidney D Ross (31 out of 31 patents)

Galeb H Maher (17 out of 25 patents)

Walter J Bernard (17 out of 19 patents)

4. Manuel Finkelstein (16 out of 16 patents)

5. Walter S Gontowski, Jr (14 out of 31 patents)

6. John P Maher (10 out of 10 patents)

7. Franz S Dunkl (10 out of 10 patents)

8. Ian Burn (9 out of 9 patents)

9. Clinton E Hutchins (8 out of 8 patents)

10. George A Shirn (8 out of 8 patents)

11. Jacob K Higgs (8 out of 9 patents)

12. Oliver L Richards, Jr (6 out of 9 patents)

13. James H Coleman (6 out of 6 patents)

14. John J Randall, Jr (6 out of 6 patents)

15. Didier Gouvernelle (5 out of 5 patents)

Core Competencies:

Solid Electrolyte Capacitor

Electrolytic Capacitor

Hall Sensor

Bipolar CMOS IC

Ceramic Capacitor

Integrated Circuit

Magnesium Titanate

Noise Blanking System

Electro-Nickel Plating

Fuzed Capacitor

Multilayer Ceramic Capacitor

Voltage Regulator Circuit

292 patents: Sort by Forward Citations

1. 5223002 - Method of making polyaniline solid electrolyte capacitor (1993-06-29),

2. 5099397 - Fuzed solid electrolyte capacitor (1992-03-24),

3. 5057973 - Solid electrolyte capacitor with integral stamped fuze (1991-10-15),

4. 5053927 - Molded fuzed solid electrolyte capacitor (1991-10-01),

5. 5019418 - Metallized film capacitor process (1991-05-28),

6. 5011067 - Method for attaching a fuse wire to a lead frame (1991-04-30),

7. 5006964 - Low resistivity low ESR capacitor electrolyte (1991-04-09),

8. 5001757 - FM stereo tone detector (1991-03-19),

9. 5001073 - Method for making bipolar/CMOS IC with isolated vertical PNP (1991-03-19),

10. 4989119 - Solid electrolyte capacitor with testable fuze (1991-01-29),

11. 4987519 - Hermetically sealed aluminum electrolytic capacitor (1991-01-22),

12. 4987518 - Metal-cased electrolytic capacitor (1991-01-22),

13. 4982155 - Hall sensor with high pass hall voltage filter (1991-01-01),

14. 4935698 - Sensor having dual Hall IC, pole piece and magnet (1990-06-19),

15. 4931901 - Method for adjusting capacitor at manufacture and product (1990-06-05),

Sprague Electric Company is a leading provider of electrical systems and solutions. With over 50 years of experience, we specialize in designing, manufacturing, and servicing electrical components for various industries. Our cutting-edge technologies and innovative solutions ensure reliable and efficient performance for our clients. Visit our website to learn more about our extensive product range and how we can meet your electrical needs.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

292 Patents

#1 in North Adams, MA

#88 in Massachusetts

#1,437 in US

#2,956 in the World

North Adams, MA, United States of America

Sprague Electric Company

Forward Citations = 4,677

185 inventors:

Sidney D Ross (31 out of 31 patents)

Galeb H Maher (17 out of 25 patents)

Walter J Bernard (17 out of 19 patents)

4. Manuel Finkelstein (16 out of 16 patents)

5. Walter S Gontowski, Jr (14 out of 31 patents)

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