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For the Inventor, By the Inventor

Fulton, MD, United States of America

Hydronautics Research, Inc.


USPTO Granted Patents = 1

Forward Citations = 15

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1 inventor (with patents filed for the assignee):

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


1 patent:

1. 5385069 - Device for determining the volume of objects using a chamber with two (1995-01-31),
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USPTO Data Jan 1 1976 - Dec 16 2025

1 Patents

#10 in Fulton, MD

#1,998 in Maryland

#133,781 in US

...
Fulton, MD, United States of America

Hydronautics Research, Inc.

Forward Citations = 15

1 inventor:

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

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