For the Inventor, By the Inventor

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Laurel, MD, United States of America

Tracor Hydronautics, Incorporated

USPTO Granted Patents = 3

Forward Citations = 91

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5 inventors (with patents filed for the assignee):

Andrew F Conn (2 out of 6 patents)

Virgil E Johnson, Jr (1 out of 8 patents)

Daniel Dementhon (1 out of 1 patent)

4. William T Lindenmuth (1 out of 2 patents)

5. Gary S Frederick (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 4716849 - Erosive-jet diver tool (1988-01-05),

2. 4508577 - Fluid jet apparatus and method for cleaning tubular components (1985-04-02),

3. 4412417 - Wave energy converter (1983-11-01),

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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#8 in Laurel, MD

#1,069 in Maryland

#71,949 in US

Laurel, MD, United States of America

Tracor Hydronautics, Incorporated

Forward Citations = 91

5 inventors:

Andrew F Conn (2 out of 6 patents)

Virgil E Johnson, Jr (1 out of 8 patents)

Daniel Dementhon (1 out of 1 patent)

4. William T Lindenmuth (1 out of 2 patents)

5. Gary S Frederick (1 out of 1 patent)

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