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Patent applications and USPTO patent grants for Frissell; John M..The latest application filed is for "seek multitasking disk controller".
Patent | Date |
---|---|
Seek multitasking disk controller Grant 4,935,828 - Frissell June 19, 1 | 1990-06-19 |
Multiple clock selection system Grant 4,229,699 - Frissell October 21, 1 | 1980-10-21 |
Data transfer technique for use with peripheral storage devices Grant 4,228,501 - Frissell October 14, 1 | 1980-10-14 |
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