DH

David S. Hunt

HP HP: 3 patents #35 of 888Top 4%
📍 San Diego, CA: #70 of 925 inventorsTop 8%
🗺 California: #921 of 17,285 inventorsTop 6%
Overall (1997): #17,262 of 185,788Top 10%
3
Patents 1997

Issued Patents 1997

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5675367 Inkjet print cartridge having handle which incorporates an ink fill port Joseph E. Scheffelin, Mark E. Young, Elizabeth Zapata, Alfred Zepeda, Christopher J. Schultz 1997-10-07
5621445 Apparatus for refilling ink cartridges Jon Fong, Michael L. Borer 1997-04-15
5596358 Method and apparatus for refilling a print cartridge having a reservoir pressure of less than ambient pressure Jon Fong, Joseph E. Scheffelin, Alfred Zepeda 1997-01-21