Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Chin-Chu Chen0
Date of Patent
July 20, 2021
Patent Application Number
16550274
Date Filed
August 25, 2019
Patent Citations
Patent Primary Examiner
Patent abstract
A fastening device including a case unit and a spool is provided. The case unit includes a wall forming a receiving space, an upper opening communicated with the receiving space, and a lower opening opposite to the upper opening and communicated with the receiving space. The spool is within the receiving space. The spool is limited by the wall, and the wall prohibits the spool from leaving the receiving space from the upper opening.
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