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Eprint Type : Patent

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Jump to: 1977 | 1967 | 1965
Number of items: 4.

1977

Cary, John W. and Heinemann, William H. (1977) Magnetic Seed Delivery Autodibble Planter. Patent No. 4,061,094.

1967

Humpherys, A.S. and Bondurant, J.A. (1967) Automatic Irrigation Gate. Patent No. 3,300,985.

1965

Humpherys, A.S. and Bondurant, J.A. (1965) Automatic Irrigation Gate. Patent No. 3,217,497.

Humpherys, A.S. (1965) Sinking Float-Operated Irrigation Gate. Patent No. 3,208,225.

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