Alvin F. Aggen

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Ventura, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Material metering device
- Patent number 4,436,226
- Issue date Mar 13, 1984
- Alvin F. Aggen
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Automatic seed planting machine and method for planting seeds in pl...
- Patent number 4,010,778
- Issue date Mar 8, 1977
- Alvin F. Aggen
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING