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For the Inventor, By the Inventor

Laurel, MD, United States of America

Tracor Hydronautics, Incorporated


USPTO Granted Patents = 3

Forward Citations = 92

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5 inventors (with patents filed for the assignee):

goldMedal Andrew F Conn (2 out of 6 patents)

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

bronzeMedal 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:

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 - Sep 29 2026

3 Patents

#9 in Laurel, MD

#1,102 in Maryland

#73,766 in US

Laurel, MD (US)
Laurel, MD, United States of America

Tracor Hydronautics, Incorporated

Forward Citations = 92

5 inventors:

goldMedal Andrew F Conn (2 out of 6 patents)

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

bronzeMedal 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)

Please report any incorrect information to [email protected]
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