VR

Virgil L. Robertson

📍 Barstow, CA: #10 of 30 inventorsTop 35%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,664,692 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5971902 Lumbar extension machine Joe L. Verna, Eric Augusto Pierra 1999-10-26