KH

Keechang Han

BI Birdbrain: 6 patents #2 of 6Top 35%
Overall (All Time): #882,242 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6439478 Adapter for upright sprinkler with rotating head Courtney A. King 2002-08-27
6431506 Insert for gazing ball Courtney A. King 2002-08-13
D444206 Sprinkler base Courtney A. King 2001-06-26
D440280 Sprinkler base Courtney A. King 2001-04-10
D439632 Sprinkler base Courtney A. King 2001-03-27
D438284 Sprinkler base Courtney A. King 2001-02-27