Hedgcoth; Virgle L.

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Pomona, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus making magnetic recording disk
- Patent number 4,894,133
- Issue date Jan 16, 1990
- Hedgcoth; Virgle L.
- Virgle L. Hedgcoth
- G11 - INFORMATION STORAGE