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Factory Direct Fastening, Inc.
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North Hollywood, CA
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Patents Grants
last 30 patents
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Patent Grant
Vacuum device and vacuum assisted digger system
Patent number
11,365,593
Issue date
Jun 21, 2022
Factory Direct Fastening, Inc.
Carlos Cordova
E21 - EARTH DRILLING MINING
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Patents Applications
last 30 patents
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Patent Application
VACUUM DEVICE AND VACUUM ASSISTED DIGGER SYSTEM
Publication number
20230010596
Publication date
Jan 12, 2023
Factory Direct Fastening, Inc.
Carlos Cordova
E21 - EARTH DRILLING MINING