Froehlich; Frederick B.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Froehlich; Frederick B..The latest application filed is for "stationary magnetic head with a fluid operated tape lifter".
- Froehlich; Frederick B. - Tucson AZ
- Froehlich; Frederick B. - Boulder CO
| Patent | Date |
|---|---|
| Stationary magnetic head with a fluid operated tape lifter Grant 4,479,158 - Froehlich , et al. October 23, 1 | 1984-10-23 |
| High performance tape path for a 19 inch tape recorder Grant 4,176,382 - Froehlich , et al. November 27, 1 | 1979-11-27 |
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