John W. Krieder

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Palmyra, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Broad spectrum microbicidal and spermicidal compositions, devices,...
- Patent number 6,635,242
- Issue date Oct 21, 2003
- The Pennsylvania State University
- Mary K. Howett
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Broad spectrum microbicidal and spermicidal compositions, devices,...
- Patent number 6,458,346
- Issue date Oct 1, 2002
- The Pennsylvania State University
- Mary K. Howett
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Broad spectrum microbicidal and spermicidal compositions, devices,...
- Publication number 20030108509
- Publication date Jun 12, 2003
- Mary K. Howett
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING