Kronfeld; Leonard E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kronfeld; Leonard E..The latest application filed is for "optical inspection and alignment verification system".
- Kronfeld; Leonard E. - Minneapolis MN
| Patent | Date |
|---|---|
| Optical inspection and alignment verification system Grant 4,537,509 - Kronfeld August 27, 1 | 1985-08-27 |
| Transducer arm assembly for floppy disk Grant 4,343,025 - Kronfeld , et al. August 3, 1 | 1982-08-03 |
| Beveled magnetic heads for floppy disk Grant 4,315,292 - Kronfeld February 9, 1 | 1982-02-09 |
| Transducer supporting assembly for double sided floppy disk Grant 4,309,732 - Kronfeld , et al. January 5, 1 | 1982-01-05 |
| Magnetic Transducer With Oppositely Oriented Heads And Two Core Holders Grant 3,564,153 - Kronfeld February 16, 1 | 1971-02-16 |
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