DJ

David Stevenson Spain, Jr.

PW Polaris Wireless: 1 patents #1 of 6Top 20%
📍 Portland, OR: #138 of 764 inventorsTop 20%
🗺 Oregon: #370 of 2,300 inventorsTop 20%
Overall (2004): #67,863 of 270,089Top 30%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6784826 Body motion tracking system Ronald J. Kane 2004-08-31
6782265 Location determination using RF fingerprinting Luis Perez-Breva, Chee-Yee Chong, Robert Morris Dressler, Padmanabha R. Rao, Paolo Siccardo 2004-08-24