Paul F. Doll

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Acton, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Lightfast ink jet inks
- Patent number 6,641,257
- Issue date Nov 4, 2003
- American Ink Jet Corporation
- Fengying Shi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Refilling ink jet cartridges
- Patent number 5,802,818
- Issue date Sep 8, 1998
- Paul F. Doll
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS