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Home › 2017 › Local.Com › Roger B. Spreen

Roger B. Spreen — 1 Patent in 2017

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 #	Title	Co-Inventors	Date
9730023	Communication based on geographical region	Robert Swirsky	2017-08-08

Roger B. Spreen — 1 Patent in 2017

Issued Patents 2017

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