KD

Keith H Dai

Overall (All Time): #1,842,434 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11312549 Bottle cap with non-break plates 2022-04-26
6044995 Negative-pressure-resistible leakage-proof bottle cover 2000-04-04