Edward L. Fritzen

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Kalamazoo, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Pyrimidine bisphosphonate esters and (alkoxymethylphosphinyl)alkyl...
- Patent number 5,635,495
- Issue date Jun 3, 1997
- The Upjohn Company
- David R. White
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Spectinomycin compounds
- Patent number 4,465,848
- Issue date Aug 14, 1984
- The Upjohn Company
- Richard C. Thomas
- C07 - ORGANIC CHEMISTRY