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For the Inventor, By the Inventor

Albany, NY, United States of America

Elmhurst Research, Inc.


USPTO Granted Patents = 2

% Expired Patents = 50.0

Forward Citations = 58

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3 inventors (with patents filed for the assignee):

goldMedal Joseph A Kapp (2 out of 3 patents)

silverMedal John C Lawrenson (1 out of 1 patent)

bronzeMedal Mark Philip D'Evelyn (1 out of 115 patents)


2 patents:

1. 8435347 - High pressure apparatus with stackable rings (2013-05-07),
2. 6154946 - Method for the manufacture of very high pressure vessels to survive high (2000-12-05),
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USPTO Data Jan 1 1976 - Sep 22 2026

2 Patents

#42 in Albany, NY

#5,838 in New York

#94,648 in US

Albany, NY (US)
Albany, NY, United States of America

Elmhurst Research, Inc.

Forward Citations = 58

3 inventors:

goldMedal Joseph A Kapp (2 out of 3 patents)

silverMedal John C Lawrenson (1 out of 1 patent)

bronzeMedal Mark Philip D'Evelyn (1 out of 115 patents)

Please report any incorrect information to [email protected]
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