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DCTEQ, A CALIFORNIA LIMITED PARTNERSHIP
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FREMONT, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Laminated case for magnetic disk and method of manufacturing same
Patent number
4,911,301
Issue date
Mar 27, 1990
dcTEQ
Harry N. Dieffenbach
G11 - INFORMATION STORAGE
Information
Patent Grant
Flexible micro disk
Patent number
4,686,666
Issue date
Aug 11, 1987
dcTEQ
Harry N. Dieffenbach
G11 - INFORMATION STORAGE