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David Stevenson Spain, Jr.

PW Polaris Wireless: 1 patents #1 of 3Top 35%
📍 Portland, OR: #241 of 685 inventorsTop 40%
🗺 Oregon: #705 of 2,197 inventorsTop 35%
Overall (2005): #214,136 of 245,428Top 90%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6944465 Estimating the location of a mobile unit based on the elimination of improbable locations Robert Lewis Martin, Luis Perez-Breva 2005-09-13