Oswald L. Ittensohn

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Telford, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Hepatitis A antigen
- Patent number 4,031,203
- Issue date Jun 21, 1977
- Merck & Co., Inc.
- Philip J. Provost
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Hepatitis A antigen
- Patent number 4,029,764
- Issue date Jun 14, 1977
- Merck & Co., Inc.
- Philip J. Provost
- G01 - MEASURING TESTING