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For the Inventor, By the Inventor

Pittsburgh, PA, United States of America

Valve Systems, Inc.


USPTO Granted Patents = 1

Forward Citations = 6

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1 inventor (with patents filed for the assignee):

goldMedal John D Tricini (1 out of 3 patents)


1 patent:

1. 4693451 - Valve structures (1987-09-15),
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USPTO Data Jan 1 1976 - Dec 16 2025

1 Patents

#603 in Pittsburgh, PA

#4,874 in Pennsylvania

#133,781 in US

...
Pittsburgh, PA, United States of America

Valve Systems, Inc.

Forward Citations = 6

1 inventor:

goldMedal John D Tricini (1 out of 3 patents)

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