GS

Gary L. Siewell

HP HP: 2 patents #2,312 of 7,018Top 35%
Overall (All Time): #2,347,350 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4578687 Ink jet printhead having hydraulically separated orifices Frank L. Cloutier, Paul H. McClelland, William Boucher 1986-03-25
4509062 Ink reservoir with essentially constant negative back pressure Robert N. Low, Frank L. Cloutier 1985-04-02