CB

Calvin Ballard

📍 Norco, CA: #70 of 132 inventorsTop 55%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,580,793 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6226804 Automatic toilet cover and seat lifting and lowering device — 2001-05-08