Kjell R. Waerstad

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Colbert Heights, Tuscumbia, AL, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for the production of solid urea-nitric phosphate fertilize...
- Patent number T105301
- Issue date Apr 2, 1985
- Jack M. Sullivan
- 071 - Chemistry: fertilizers
Information Patent Grant
Acid type solid urea-nitric fertilizer
- Patent number 4,507,139
- Issue date Mar 26, 1985
- Tennessee Valley Authority
- Jack M. Sullivan
- C05 - FERTILISERS MANUFACTURE THEREOF