RL

Richard H. Ladd

UN Unknown: 3 patents #7,366 of 83,584Top 9%
Overall (All Time): #4,062,723 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4422301 Evaporative loss reduction Robert H. Watt, Walter Sherrard Wright 1983-12-27