Erwin B. Dumbroff

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Waterloo, CA

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Patents Grantslast 30 patents

Information Patent Grant
Reforestation procedure
- Patent number 5,406,898
- Issue date Apr 18, 1995
- University of Waterloo
- John G. Marshall
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Control of senescence in fruits, vegetables and flowers
- Patent number 5,087,417
- Issue date Feb 11, 1992
- University of Waterloo
- Erwin B. Dumbroff
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES