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Donald E. Lovness
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Stillwater, MN, US
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last 30 patents
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Patent Grant
Soil supplement
Patent number
4,119,429
Issue date
Oct 10, 1978
Judd Ringer Corporation
Donald E. Lovness
C05 - FERTILISERS MANUFACTURE THEREOF
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Patent Grant
Composting mixture
Patent number
4,032,318
Issue date
Jun 28, 1977
Judd Ringer Corporation
Donald E. Lovness
C05 - FERTILISERS MANUFACTURE THEREOF