DL

David J. Leniger

UN Unknown: 2 patents #12,644 of 83,584Top 20%
📍 Vancouver, WA: #1,061 of 1,812 inventorsTop 60%
🗺 Washington: #48,111 of 76,902 inventorsTop 65%
Overall (All Time): #4,093,369 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4279128 Heat pump swimming pool heater — 1981-07-21