For the Inventor, By the Inventor

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Santa Rosa, CA, United States of America

National Controls Corporation

USPTO Granted Patents = 21

Trademarks = 1

Forward Citations = 356

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20 inventors (with patents filed for the assignee):

William A Joseph, Jr (6 out of 7 patents)

Frank C Rock (5 out of 6 patents)

David G Motkowski (3 out of 4 patents)

4. Donald R Buttle (3 out of 4 patents)

5. Ronald R Holt (3 out of 3 patents)

6. Gustav Kuschewski (2 out of 3 patents)

7. Darrell B Minton (2 out of 2 patents)

8. David W Ek (2 out of 2 patents)

9. Thomas Radford Sommer (1 out of 5 patents)

10. George T Yu (1 out of 4 patents)

11. Fred E Sells (1 out of 1 patent)

12. Samuel D Taber (1 out of 1 patent)

13. James H Coulter (1 out of 1 patent)

14. Jeffery C Argentine (1 out of 1 patent)

15. Willem Ebbinge (1 out of 1 patent)

21 patents: Sort by Forward Citations

1. 5662955 - Calibration method and apparatus for coffee grinder and brewer (1997-09-02),

2. 5660336 - Control apparatus and method for coffee grinder and brewer (1997-08-26),

3. 5417145 - Control apparatus and method for coffee grinder and brewer (1995-05-23),

4. 4660662 - Digital electronic scale with stabilized display (1987-04-28),

5. 4611677 - Shock proof scale (1986-09-16),

6. 4601004 - Microcomputer controlled cooking timer and method (1986-07-15),

7. D275105 - Control panel for frying computer (1984-08-14),

8. D275104 - Control panel for frying computer (1984-08-14),

9. 4237989 - Capacitive load cell and method of manufacture (1980-12-09),

10. 4179004 - Force multiplying load cell (1979-12-18),

11. 4139070 - Dual platform counting scale (1979-02-13),

12. 4138197 - Key actuator (1979-02-06),

13. D250883 - Scale base cabinet (1979-01-23),

14. 4129815 - Postal meter actuator (1978-12-12),

15. 4107985 - Load cell (1978-08-22),

National Controls Corporation, based in Santa Rosa, California, specializes in the design and manufacture of advanced control systems and components. The company focuses on providing innovative solutions for various industries, including automotive, aerospace, and industrial automation. With a commitment to quality and reliability, National Controls develops products that enhance operational efficiency and safety. Their expertise encompasses a range of technologies, ensuring they meet the evolving needs of their clients in a dynamic market.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

21 Patents

#10 in Santa Rosa, CA

#3,755 in California

#15,681 in US

#29,927 in the World

Santa Rosa, CA, United States of America

National Controls Corporation

Forward Citations = 356

20 inventors:

William A Joseph, Jr (6 out of 7 patents)

Frank C Rock (5 out of 6 patents)

David G Motkowski (3 out of 4 patents)

4. Donald R Buttle (3 out of 4 patents)

5. Ronald R Holt (3 out of 3 patents)

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