RS

Ray Steven Spratt

CG Carl Zeiss Vision International Gmbh: 2 patents #4 of 32Top 15%
📍 Petaluma, CA: #27 of 75 inventorsTop 40%
🗺 California: #24,257 of 60,394 inventorsTop 45%
Overall (2017): #271,761 of 506,227Top 55%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9784992 Method and system for determining an eyeglass prescription Timo Kratzer 2017-10-10