JU

John A. Underwood

HP HP: 2 patents #393 of 2,400Top 20%
📍 Makati, OR: #1 of 1 inventorsTop 100%
Overall (2004): #57,140 of 270,089Top 25%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6793329 Electrical and fluidic interface for an ink supply Robert L. Battey, Michael L. Bullock, John A. Barinaga, James E. Clark, Paul D. Gast +2 more 2004-09-21
6779864 Apparatus and method for fortification of black pigment based ink using black dye based ink 2004-08-24