CJ

Cheryl M. Johnson

📍 Placerville, CA: #108 of 209 inventorsTop 55%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,365,161 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7423228 Apparatus for opening an electrical switch responsive to seismic or other event Richard C. White 2008-09-09