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Yun Il SONG
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Busan, KR
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Patents Grants
last 30 patents
Information
Patent Grant
Arrow shaft including carbon fiber sheet having transfer layer form...
Patent number
11,326,861
Issue date
May 10, 2022
Yun Il Song
B32 - LAYERED PRODUCTS
Information
Patent Grant
Arrow shaft with high strength
Patent number
11,181,349
Issue date
Nov 23, 2021
Yun Il Song
F42 - AMMUNITION BLASTING
Patents Applications
last 30 patents
Information
Patent Application
HIGH-STIFFNESS ARROW SHAFT AND METHOD OF MANUFACTURING THE SAME
Publication number
20230332872
Publication date
Oct 19, 2023
Yun Il Song
F42 - AMMUNITION BLASTING
Information
Patent Application
ARROW SHAFT INCLUDING CARBON FIBER SHEET HAVING TRANSFER LAYER FORM...
Publication number
20220120539
Publication date
Apr 21, 2022
Yun Il Song
F41 - WEAPONS
Information
Patent Application
ARROW SHAFT TEST APPARATUS
Publication number
20200240761
Publication date
Jul 30, 2020
Yun Il SONG
F42 - AMMUNITION BLASTING