John W. Hassler Jr.

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Hollister, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Bootstrap method for writing servo tracks on a disk drive
- Patent number 5,541,784
- Issue date Jul 30, 1996
- Cribbs; Daniel F.
- Daniel F. Cribbs
- G11 - INFORMATION STORAGE
Information Patent Grant
Self-servowriting disk drive and method
- Patent number 5,448,429
- Issue date Sep 5, 1995
- Daniel F. Cribbs
- G11 - INFORMATION STORAGE