DH

David Philip Henrich

📍 Loretto, MN: #17 of 28 inventorsTop 65%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #2,415,545 of 4,157,543Top 60%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12305467 Spool-type pitless adapter for groundwater heat exchanger Jimmy Bryan Randolph, Ryan Matthew Martin-Wagar 2025-05-20