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Yaw-Kuen Yang

📍 Wang'an Town, TW: #22 of 480 inventorsTop 5%
Overall (All Time): #589,669 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
D410191 Kettlelike padlock 1999-05-25
D404635 Combination lock 1999-01-26
D395814 Combination padlock body 1998-07-07
5746075 Combination padlock 1998-05-05
5685179 Padlock having a freely rotatable shackle 1997-11-11
4766748 Knockdown type combination locking device for suitcases 1988-08-30
4569214 Push button security lock 1986-02-11
4554809 Combination locking device for suitcases 1985-11-26
4519229 Combination lock 1985-05-28