| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 261/80 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 286,030 | Oct. 02, 1883 | S. Marcus | Gas Engine | gas and gasoline engines | |
| 1,782,928 | Nov. 25, 1930 | J.S. Knowlson | Humidifier | air conditioning apparatus | |