Denis M. Callewaert

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Oxford, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Antimicrobial disinfecting urinal block means and methods of use
- Patent number 4,604,357
- Issue date Aug 5, 1986
- Enzymes of America
- Denis M. Callewaert
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Device for collection of proteins in a urinal and method of use
- Patent number 4,557,863
- Issue date Dec 10, 1985
- Denis M. Callewaert
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE