Friedland; Jack
Patent Applications and Registrations
Patent applications and USPTO patent grants for Friedland; Jack.The latest application filed is for "device for cleaning the magnetic head and capstan roller of a cassette-type recording and/or playback unit in response to operation of the tape drive of the unit".
- Friedland; Jack - Floral Park NY
| Patent | Date |
|---|---|
| Device for cleaning the magnetic head and capstan roller of a cassette-type recording and/or playback unit in response to operation of the tape drive of the unit Grant 3,955,214 - Post , et al. May 4, 1 | 1976-05-04 |
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