RD

Robert F. Dumbeck

📍 Elgin, TX: #1 of 5 inventorsTop 20%
🗺 Texas: #147 of 2,272 inventorsTop 7%
Overall (1982): #8,561 of 81,411Top 15%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4333268 Energy saving electrically actuated barrier gate control means operable from solar energy 1982-06-08
4324947 Solar energy collector system 1982-04-13