| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Richard Wright | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| GB-181,804,311 | Nov. 14, 1818 | R. Wright | Certain Improvements in the Construction of Steam Engines, and the Subsequent Use of Steam | steam engine valves | |