RG

Robert Kurt Graupner

📍 Hillsboro, OR: #27 of 92 inventorsTop 30%
🗺 Oregon: #335 of 1,309 inventorsTop 30%
Overall (1997): #85,890 of 185,788Top 50%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5672214 Concrete solar cell John R. Arthur, Tyrus K. Monson, James A. Van Vechten, Ernest G. Wolff 1997-09-30