RS

Roger B. Spreen

📍 Los Altos, CA: #438 of 841 inventorsTop 55%
🗺 California: #24,257 of 60,394 inventorsTop 45%
Overall (2017): #260,416 of 506,227Top 55%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9730023 Communication based on geographical region Robert Swirsky 2017-08-08