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Robert William Sward
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Keller, TX, US
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last 30 patents
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Patent Grant
Duct coupler devices, systems, and related methods
Patent number
9,879,804
Issue date
Jan 30, 2018
Structural Technologies, LLC
John Richard Crigler
E04 - BUILDING
Patents Applications
last 30 patents
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Patent Application
IN-LINE DAMPING SYSTEMS AND METHODS
Publication number
20220333319
Publication date
Oct 20, 2022
Structural Technologies, LLC
John R. Crigler
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Patent Application
DUCT COUPLER DEVICES, SYSTEMS, AND RELATED METHODS
Publication number
20140367961
Publication date
Dec 18, 2014
John Richard Crigler
E04 - BUILDING