| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 48/173 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 257,494 | May 09, 1882 | R.K. Huntoon | Gas-exhaust regulator | ||
| 1,440,297 | Dec. 26, 1922 | C.R. Houghton | Gas-exhauster governor | ||
| 1,648,522 | Nov. 08, 1927 | J.T. Wilkin | Multiple control governor for gas or coke oven systems | machine governors | |