DG

David C. Grana

NASA: 3 patents #448 of 3,881Top 15%
📍 Newport News, VA: #146 of 572 inventorsTop 30%
🗺 Virginia: #9,471 of 34,511 inventorsTop 30%
Overall (All Time): #1,683,847 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4415311 Vertical shaft windmill Spencer V. Inge, Jr. 1983-11-15
4335206 Apparatus and process for microbial detection and enumeration Judd R. Wilkins 1982-06-15
4191893 Natural turbulence electrical power generator Richard T. Wilem 1980-03-04