| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 454/237 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 67 | Oct. 24, 1836 | R. Mills, R. Mayo | Mode of Ventilating and Supplying Houses, &c., with Warm or Cool Air | stove pipes | |
| 323 | Jul. 31, 1837 | T.C. Barton | Drilling Wheel Tires | horizontal drilling machines | |