ELMER A. DERR

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RICHLAND, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Homogeneous granules of slow-release fertilizer and method of makin...
- Patent number 6,464,746
- Issue date Oct 15, 2002
- Lebanon Chemical Corporation
- Gary B. Neyman
- C05 - FERTILISERS MANUFACTURE THEREOF

Patents Applicationslast 30 patents

Information Patent Application
HOMOGENEOUS GRANULES OF SLOW-RELEASE FERTILIZER AND METHOD OF MAKIN...
- Publication number 20020011087
- Publication date Jan 31, 2002
- GARY B. NEYMAN
- C05 - FERTILISERS MANUFACTURE THEREOF