Todd A. Richardson

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Lowell, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Dyed silica pigments and products made from same
- Patent number 5,885,343
- Issue date Mar 23, 1999
- Shipley Company, L.L.C.
- George J. Cernigliaro
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Dye incorporated pigments and products made from same
- Patent number 5,871,872
- Issue date Feb 16, 1999
- Shipley Company, LL.C.
- Egon Matijevic
- B82 - NANO-TECHNOLOGY