William Robert Selkirk

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Cambridge City, IN, US

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Patents Grantslast 30 patents

Information Patent Grant
Black nitrogen—a milk-based fertilizer
- Patent number 11,358,906
- Issue date Jun 14, 2022
- William Robert Selkirk
- C05 - FERTILISERS MANUFACTURE THEREOF

Patents Applicationslast 30 patents

Information Patent Application
Black Nitrogen - a Milk-Based Fertilizer Composition with a Soluble...
- Publication number 20230242462
- Publication date Aug 3, 2023
- William Robert Selkirk
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Application
Black Nitrogen - A Milk-Based Fertilizer Composition with Coal Dust
- Publication number 20220267227
- Publication date Aug 25, 2022
- William Robert Selkirk
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Application
Black Nitrogen - A Milk-Based Fertilizer
- Publication number 20200024203
- Publication date Jan 23, 2020
- William Robert Selkirk
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
BIODIESEL FUEL PROCESSING
- Publication number 20070175088
- Publication date Aug 2, 2007
- William Robert Selkirk
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...