![]() | |||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Nicholas Simon Parmantier | |||||
| Number | Date | Patentee | Title | Type | |
| 992X | Jan. 30, 1809 | N.S. Parmantier | Discolouring linseed oil, imparting to it a drying quality and converting it into an uncoloured varnish | ||