Joseph V. Marra

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Wilmington, DE, US

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Patents Grantslast 30 patents

Information Patent Grant
Hydrogel products and methods of producing same
- Patent number 5,489,437
- Issue date Feb 6, 1996
- Applied Extrusion Technologies, Inc.
- Joseph V. Marra
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE