David L. Nelson

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Eagan, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Multilayer articles having acoustical absorbance properties and met...
- Patent number 7,757,811
- Issue date Jul 20, 2010
- 3M Innovative Properties Company
- Andrew R. Fox
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
Multilayer Articles Having Acoustical Absorbance Properties and Met...
- Publication number 20080230309
- Publication date Sep 25, 2008
- Andrew R. Fox
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING