BH

Brian L. Helterline

HP HP: 2 patents #270 of 1,529Top 20%
📍 Salem, OR: #1 of 22 inventorsTop 5%
🗺 Oregon: #304 of 2,069 inventorsTop 15%
Overall (2002): #71,972 of 266,432Top 30%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6488352 Method and apparatus for checking compatibility of a replaceable printing component Winthrop D. Childers, Michael L. Bullock, Ronald R. Paulsen 2002-12-03
6345891 Method and apparatus for specifying ink volume in a multichamber ink container Winthrop D. Childers, Ray A. Walker, Michael L. Bullock 2002-02-12