Dean L. Christensen

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Vista, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic tape cartridge with increased data packing density
- Patent number 4,642,721
- Issue date Feb 10, 1987
- Data Electronics, Inc.
- Harold H. Georgens
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic tape cartridge with increased data track packing density
- Patent number 4,635,155
- Issue date Jan 6, 1987
- Data Electronics, Inc.
- Harold H. Georgens
- G11 - INFORMATION STORAGE