Stephen B. Friedman

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Stanhope, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Diagnostic test card
- Patent number 4,055,394
- Issue date Oct 25, 1977
- Akzona Incorporated
- Stephen B. Friedman
- G01 - MEASURING TESTING
Information Patent Grant
Diagnostic test card
- Patent number 3,990,850
- Issue date Nov 9, 1976
- Akzona Incorporated
- Stephen B. Friedman
- G01 - MEASURING TESTING
Information Patent Grant
Method and erythrocyte preparation for reverse blood grouping
- Patent number 3,956,477
- Issue date May 11, 1976
- Akzona Incorporated
- Richard T. Price
- G01 - MEASURING TESTING