Hamburger Color Company

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King of Prussia, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Product and method for coloring concrete
- Patent number 6,695,990
- Issue date Feb 24, 2004
- Hamburger Color Company
- Jack Dunnous
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Product and method for coloring concrete
- Patent number 6,596,072
- Issue date Jul 22, 2003
- Hamburger Color Company
- Jack Dunnous
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Multi-components measuring and dispensing system
- Patent number 5,025,954
- Issue date Jun 25, 1991
- Hamburger Color Company
- Jack Dunnous
- G05 - CONTROLLING REGULATING

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