Peter J. Silbernagel

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Woodbury, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Process of producing magnetic recording tape having textured backcoat
- Patent number 5,686,142
- Issue date Nov 11, 1997
- Minnesota Mining and Manufacturing Company
- David A. Wallack
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium having an embossed backcoat layer
- Patent number 5,589,247
- Issue date Dec 31, 1996
- Minnesota Mining and Manufacturing Company
- David A. Wallack
- G11 - INFORMATION STORAGE