RD

Robert Grant Day

VE Vesture: 1 patents #103 of 204Top 55%
📍 San Francisco, CA: #18,903 of 26,999 inventorsTop 75%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,281,691 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7677723 Eyeglasses with a heart rate monitor Thomas A. Howell, David Chao, C. Douglass Thomas, Peter P. Tong 2010-03-16