Multi-Line Designs, Inc.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Multi-Line Designs, Inc..The latest application filed is for "hearing aid apparatus powered by capacitor".
- Multi-Line Designs, Inc. - Mecosta MI
| Patent | Date |
|---|---|
| Hearing aid apparatus powered by capacitor Grant 5,712,919 - Ruhling January 27, 1 | 1998-01-27 |
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