JS

Joseph E. Scheffelin

HP HP: 4 patents #23 of 888Top 3%
📍 San Diego, CA: #40 of 925 inventorsTop 5%
🗺 California: #512 of 17,285 inventorsTop 3%
Overall (1997): #7,494 of 185,788Top 5%
4
Patents 1997

Issued Patents 1997

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5675367 Inkjet print cartridge having handle which incorporates an ink fill port David S. Hunt, Mark E. Young, Elizabeth Zapata, Alfred Zepeda, Christopher J. Schultz 1997-10-07
5673072 Method and apparatus for refilling a print cartridge having a spherical stopper 1997-09-30
5673073 Syringe for filling print cartridge and establishing correct back pressure Winthrop D. Childers 1997-09-30
5596358 Method and apparatus for refilling a print cartridge having a reservoir pressure of less than ambient pressure David S. Hunt, Jon Fong, Alfred Zepeda 1997-01-21