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Jonathan Kettelkamp
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Houston, TX, US
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last 30 patents
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Patent Grant
Wastewater screen filter and chain tensioning system
Patent number
11,717,774
Issue date
Aug 8, 2023
Headworks Bio Inc.
David Dvorak
E03 - WATER SUPPLY SEWERAGE
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last 30 patents
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Patent Application
WASTEWATER SCREEN FILTER AND CHAIN TENSIONING SYSTEM
Publication number
20200298149
Publication date
Sep 24, 2020
Headworks International, Inc.
David Dvorak
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL