Donald O. Norman

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East Earl, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Row crop means for a harvesting unit
- Patent number 4,048,792
- Issue date Sep 20, 1977
- Sperry Rand Corporation
- Joe E. Shriver
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING