Hermanus A. J. Wouda

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Utrecht, NL

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Patents Grantslast 30 patents

Information Patent Grant
Process for extracting ground roasted coffee
- Patent number 4,277,509
- Issue date Jul 7, 1981
- D.E.J. International Research Company B.V.
- Hermanus A. J. Wouda
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Coffee extraction
- Patent number 4,158,067
- Issue date Jun 12, 1979
- D.E.J. International Research Company B.V.
- Hermanus A. J. Wouda
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES