CK

Chester W. Kempka

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Issaquah, WA: #1,201 of 1,767 inventorsTop 70%
🗺 Washington: #48,111 of 76,902 inventorsTop 65%
Overall (All Time): #3,962,613 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4783813 Electronic sound amplifier stethoscope with visual heart beat and blood flow indicator — 1988-11-08