DM

David E. MASON

OP Opinionlab: 1 patents #1 of 6Top 20%
📍 Leicester, IL: #1 of 2 inventorsTop 50%
Overall (2005): #215,800 of 245,428Top 90%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6928392 Collecting a user response to an explicit question specifically concerning a particular web page of a website Rand B. Nickerson, Mark A. Treschl, Kathryn L. Kidd, Matthew J. Crofoot, A. Gregory Samata 2005-08-09