DD

Donald E. Derry

UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #2,483,362 of 4,157,543Top 60%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11926984 Footing and foundation wall drainage system Drake L. Koch 2024-03-12