Gebrauchsmuster DE-1914-619428
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We infer the existence of this filing from Patent IT-1915-147222 which cites "modello d'uso n. 619428" of 21 October 1914.
| Year filed | 1914 |
|---|---|
| Year granted | |
| Office | DEG |
| Patent number | 619428 |
| Inventors | |
| Inventor country | |
| Applicant person | |
| Applicant firm | Signal Gesellschaft m.b.H. |
| Applicant type | COMPANY |
| Applicant is inventor? | |
| Original title | |
| English title | Radiotelegraphy station for airplanes |
| Tech fields | airplane, communication, radio, wireless telegraphy |
| Filing date | 1914-10-21 |
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| Related to aircraft? | 1 |
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| Family year | 1914 |
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| Cites these patents | |
| Citations from after 1930 | |
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