Helen J. Yoo

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Maplewood, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Erasure techniques for magnetic tape media
- Patent number 6,822,827
- Issue date Nov 23, 2004
- Imation Corp.
- John E. Heinz
- G11 - INFORMATION STORAGE
Information Patent Grant
Flange guide for improved tape winding
- Patent number 6,644,581
- Issue date Nov 11, 2003
- Imation Corp.
- Douglas R. Plourde
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Flange guide for improved tape winding
- Publication number 20030001037
- Publication date Jan 2, 2003
- Douglas R. Plourde
- G11 - INFORMATION STORAGE