patentDate
P1928
predicate
Indicates the date on which a patent was officially granted or registered.
Aliases (2)
- patentYear ×3
- firstPatentedInYear ×1
Sample triples (9)
| Subject | Object |
|---|---|
| Bessemer process | 1856 → |
| Einstein–Szilard refrigerator | 1927 → |
| Gatling gun | 1862 → |
| Henry Bessemer | 1856 → |
| James Hargreaves | 1770 ("patentYear") → |
| Kinetoscope | 1891 ("patentYear") → |
| Maxim machine gun | 1884 ("firstPatentedInYear") → |
| cotton gin | 1794 ("patentYear") → |
| spinning jenny | 1770 → |