JK

John A. Koneff

TS The Lamson & Sessions: 1 patents #29 of 75Top 40%
Overall (All Time): #3,483,773 of 4,157,543Top 85%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6759955 Doorbell system Wei Gene Kenneth Shen, Kam Wong Wong 2004-07-06