DH

David C. Hanley

HP HP: 2 patents #5,870 of 16,619Top 40%
VE Verifone: 1 patents #114 of 242Top 50%
📍 Colfax, CA: #6 of 38 inventorsTop 20%
🗺 California: #149,087 of 386,348 inventorsTop 40%
Overall (All Time): #1,599,754 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6917299 Point of sale (POS) terminal security system Shuzhen Fu, Raymond Andrew Debruin, Jack Richard Grenfell 2005-07-12
6646565 Point of sale (POS) terminal security system Shuzhen Fu, Raymond Andrew Debruin, Jack Richard Grenfell 2003-11-11
5933812 Portable transaction terminal system Lee G. Meyer, James D. Fuller, Willie Yuen Fong, Gary L. Specht, Michael A. Fischer +2 more 1999-08-03