HH

Harold B. Henley

📍 Watertown, SD: #8 of 83 inventorsTop 10%
🗺 South Dakota: #384 of 2,308 inventorsTop 20%
Overall (All Time): #1,303,389 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4852310 Insulated building construction Kenneth L. Norberg, John P. Devine 1989-08-01
4794207 Electrical outlet unit for a building Kenneth L. Norberg 1988-12-27
4720948 Insulated building construction Kenneth L. Norberg, John P. Devine 1988-01-26
4578909 Insulated building construction Kenneth L. Norberg, John P. Devine 1986-04-01