SK

Sven Karlsson

GU Graphic Utilities: 2 patents #3 of 5Top 60%
📍 San Jose, CA: #12,320 of 32,062 inventorsTop 40%
🗺 California: #124,610 of 386,348 inventorsTop 35%
Overall (All Time): #1,289,324 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5686948 Method for refilling ink jet cartridges Richard G. Crystal, Raymond Geffre 1997-11-11
5572852 Method for opening, refilling and sealing a cartridge Richard G. Crystal 1996-11-12
5488400 Method for refilling ink jet cartridges Richard G. Crystal, Raymond Geffre 1996-01-30
5400573 Kit and method for opening, refilling and sealing a cartridge Richard G. Crystal 1995-03-28