Page values for "Patent GB-1857-1581"
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"Patents" values
1 row is stored for this page| Field | Field type | Allowed values | Value |
|---|---|---|---|
| Year_granted | Date | 1857 | |
| Office | Page | GB | |
| Patent_number | String | 1581 | |
| Inventors | List of Page, delimiter: ; | Joseph Etienne Marie Jean CLAIR | |
| Applicant_is_inventor | Boolean | Yes | |
| Original_title | String | Propeller | |
| English_title | String | Propeller | |
| Granted | Boolean | Yes | |
| Publication_date | Date | 1969-12-31 | |
| Related_to_aircraft | String | Yes · Partially · No | Yes |
| Family_year | Date | 1857 |
