John H. McKenzie

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Naples, FL, US

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Patents Grantslast 30 patents

Information Patent Grant
Bound aggregate method and composition
- Patent number 4,238,374
- Issue date Dec 9, 1980
- Agritec, Inc.
- Robert L. Durham
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Self-contained hydrophilic plant growth matrix and method
- Patent number 3,973,355
- Issue date Aug 10, 1976
- Agritec Co.
- John H. McKenzie
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING