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Forward Citations = 202

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9 inventors (with patents filed for the assignee):

Frank J Matusik (6 out of 7 patents)

Donald W Nelson (5 out of 5 patents)

J Vincent Fitzgerald (3 out of 4 patents)

4. John V Fitzgerald (2 out of 4 patents)

5. Teresa M Walsh (2 out of 3 patents)

6. Edmond J Dougherty (1 out of 14 patents)

7. John Stone (1 out of 1 patent)

8. John Batton (1 out of 1 patent)

9. John L Schrag (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 5157962 - Vibratory viscometer transducer with isolation support for inline (1992-10-27),

2. 5054313 - Control circuitry for viscosity sensors (1991-10-08),

3. 4754640 - Apparatus and method for determining the viscoelasticity of liquids (1988-07-05),

4. 4566181 - Rotational vibratory viscometer transducer and circuit (1986-01-28),

5. 4524610 - In-line vibratory viscometer-densitometer (1985-06-25),

6. 4488427 - Rotational vibratory viscometer transducer and circuit (1984-12-18),

7. 4299119 - Incremental rotary viscometer (1981-11-10),

National Metal and Refining Company, Ltd. is a leading metal recycling and refining company. With over 50 years of experience in the industry, we specialize in the processing of precious metals such as gold, silver, platinum, and palladium. Our state-of-the-art facilities and cutting-edge technology enable us to offer efficient and environmentally friendly services to our customers. We are committed to sustainability and ensuring the responsible handling of materials throughout the recycling and refining process.

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USPTO Data Jan 1 1976 - Dec 9 2025

7 Patents

#6 in Metuchen, NJ

#1,467 in New Jersey

#38,762 in US

Metuchen, NJ, United States of America

National Metal and Refining Company, Ltd.