Quarz-Zeit AG
Patent Applications and Registrations
Patent applications and USPTO patent grants for Quarz-Zeit AG.The latest application filed is for "single phase stepping motor".
- Quarz-Zeit AG - Frankfurt am Main DE
| Patent | Date |
|---|---|
| Single phase stepping motor Grant 4,340,828 - Sudler , et al. July 20, 1 | 1982-07-20 |
| Battery-driven clock with indicator of the end of life of the battery Grant 4,315,328 - Schwab February 9, 1 | 1982-02-09 |
| Pulse control for an electric clock Grant 4,254,491 - Haub , et al. March 3, 1 | 1981-03-03 |
| Single phase stepping motor Grant 4,206,375 - Sudler June 3, 1 | 1980-06-03 |
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