Fred W. Lauer Jr.

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Hillsborough, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Treatment of phosphate rock in soil to provide fertilizer and gypsum
- Patent number 3,979,199
- Issue date Sep 7, 1976
- Chemsoil Corporation
- Dwight D. Collins
- C05 - FERTILISERS MANUFACTURE THEREOF