| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 55/455 | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
| 1,877,296 | Sep. 13, 1932 | M.J. Goldberg | Cleaning and Silencing Means for Engine Exhausts | ||
| 2,813,597 | Nov. 19, 1957 | M.W. First | Multi-dust collectors | ||