Walter Woods

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Woodsville, NH, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for treating fluent materials
- Patent number RE32695
- Issue date Jun 14, 1988
- DASI Industries, Inc.
- John E. Nahra
- 261 - Gas and liquid contact apparatus
Information Patent Grant
Method and apparatus for treating liquid materials
- Patent number 4,591,463
- Issue date May 27, 1986
- DASI Industries, Inc.
- John E. Nahra
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Method and apparatus for treating fluent materials
- Patent number 4,419,301
- Issue date Dec 6, 1983
- Dasi Industries, Inc.
- John E. Nahra
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Apparatus for treating fluent materials
- Patent number 4,310,476
- Issue date Jan 12, 1982
- Dasi Industries, Inc.
- John E. Nahra
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES