Page values for "Patent FR-1880-132944"
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"Patents" values
1 row is stored for this page| Field | Field type | Allowed values | Value |
|---|---|---|---|
| Year_granted | Date | 1880 | |
| Office | Page | FR | |
| Patent_number | String | 132944 | |
| Inventors | List of Page, delimiter: ; | Clément Ader | |
| Applicant_is_inventor | Boolean | Yes | |
| Original_title | String | Système d'avertisseur téléphonique sans pile, à signal visible (addition to 132944) | |
| English_title | String | system of coinless telephone, with visible signal | |
| Tech_fields | List of Page, delimiter: ; | Telephones | |
| Grant_date | Date | 1880-01-15 | |
| Granted | Boolean | Yes | |
| Related_to_aircraft | String | Yes · Partially · No | No |
| Family_year | Date | 1880 |
