RW

Ray A. Walker

HP HP: 3 patents #139 of 1,529Top 10%
📍 Eugene, OR: #2 of 87 inventorsTop 3%
🗺 Oregon: #166 of 2,069 inventorsTop 9%
Overall (2002): #22,473 of 266,432Top 9%
3
Patents 2002

Issued Patents 2002

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6494562 Method and apparatus for identifying a sales channel Robert E. Haines, Michael L. Bullock 2002-12-17
6431672 Ink container having dual capillary members with differing capillary pressures for precise ink level sensing Michael S. Ardito, Jeffrey Thielman 2002-08-13
6345891 Method and apparatus for specifying ink volume in a multichamber ink container Winthrop D. Childers, Michael L. Bullock, Brian L. Helterline 2002-02-12