Peter G. Hanley

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Milford, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Erasable system including marking surface and erasable ink composition
- Patent number 5,217,255
- Issue date Jun 8, 1993
- Nan J. Lin
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Erasable system including marking surface and erasable ink composition
- Patent number 4,988,123
- Issue date Jan 29, 1991
- The Gillette Company
- Nan J. Lin
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Erasable system including marking surface and erasable ink composition
- Patent number 4,940,628
- Issue date Jul 10, 1990
- The Gillette Company
- Nan J. Lin
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS