| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 122/83 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 8,742 | Feb. 17, 1852 | J. Millholland | Improvement in Steam Boilers | ||
| 217,941 | Jul. 29, 1879 | S.S. Hanks | Road Engine | steam traction engines | |