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For the Inventor, By the Inventor

Cypress, TX, United States of America

Safestack Technology L.l.c.


USPTO Granted Patents = 1

% Expired Patents = 100.0

Forward Citations = 4

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2 inventors (with patents filed for the assignee):

goldMedal William Matthew Caldwell (1 out of 5 patents)

silverMedal James P Payne, Jr (1 out of 2 patents)


1 patent:

1. 8887812 - Apparatus and method for isolating and securing an underwater oil wellhead and blowout preventer (2014-11-18),
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USPTO Data Jan 1 1976 - Sep 29 2026

1 Patents

#21 in Cypress, TX

#9,235 in Texas

#136,675 in US

Cypress, TX (US)
Cypress, TX, United States of America

Safestack Technology L.l.c.

Forward Citations = 4

2 inventors:

goldMedal William Matthew Caldwell (1 out of 5 patents)

silverMedal James P Payne, Jr (1 out of 2 patents)

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