| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Hannan & Buchanan | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| GB-186,101,598 | Jun. 21, 1861 | J. Hannan, J. Hamilton | Improvements in indicators such as are used for ascertaining the power developed by steam engines | steam engine indicators | |
| 117,682 | Aug. 01, 1871 | C.B. Richards | Improvement in bearings for machinery | steam engine indicators | |
| GB-189,207,180 | Apr. 14, 1892 | R. McKinnell, J. Buchanan | Steam-engine indicators | steam engine indicators | |