Leonard Slevin

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San Diego, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Ink-jet inks and method for printing the same
- Patent number 6,102,998
- Issue date Aug 15, 2000
- Hewlett-Packard Company
- Kai-Kong Iu
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Printer with pen containing a low dot spread black ink and a high d...
- Patent number 5,880,758
- Issue date Mar 9, 1999
- Hewlett-Packard Company
- John L. Stoffel
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Color ink-jet printer with pigment black and dye-based color inks
- Patent number 5,745,140
- Issue date Apr 28, 1998
- Hewlett-Packard Company
- John L. Stoffel
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Aqueous ink compositions containing anti-curl agents
- Patent number 5,356,464
- Issue date Oct 18, 1994
- E. I. Du Pont de Nemours and Company
- Mark S. Hickman
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Plain paper inks
- Patent number 5,112,399
- Issue date May 12, 1992
- Hewlett-Packard Company
- Leonard Slevin
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...