Darwin S. Bull

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Baltimore, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Timed release of water-soluble plant nutrients
- Patent number 5,652,196
- Issue date Jul 29, 1997
- OMS Investments, Inc.
- Narender Pal Luthra
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Degradable articles and methods of using such articles as degradabl...
- Patent number 5,270,044
- Issue date Dec 14, 1993
- Hampshire Chemical Corp.
- Glenn E. Fulmer
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Degradable articles and methods of using such articles as degradabl...
- Patent number 5,266,323
- Issue date Nov 30, 1993
- Hampshire Chemical Corp.
- James L. Guthrie
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE