Harry N. Dieffenbach

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Fremont, CA, US

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Patents Grantslast 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
Information Patent Grant
Micro-floppy diskette with inner containment system
- Patent number 4,652,961
- Issue date Mar 24, 1987
- Dysan Corporation
- Harry N. Dieffenbach
- G11 - INFORMATION STORAGE