Magdalena M. Hilden

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Felton, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Overcoat for particulate magnetic recording disk
- Patent number 4,737,419
- Issue date Apr 12, 1988
- International Business Machines Corporation
- Magdalena M. Hilden
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for making high efficiency holograms
- Patent number 4,422,713
- Issue date Dec 27, 1983
- International Business Machines
- Barbara D. Grant
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY