RH

Richard P. Hefner

📍 Madison, WI: #69 of 259 inventorsTop 30%
🗺 Wisconsin: #541 of 2,194 inventorsTop 25%
Overall (1997): #88,906 of 185,788Top 50%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5617693 Prefabricated wall trusses for super-insulated walls — 1997-04-08