David A. Burwell

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Hopewell, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for making an apertured film coated with a surface-active agent
- Patent number 5,980,814
- Issue date Nov 9, 1999
- McNeil-PPC, Inc.
- Judith E. Roller
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE