| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 55/447 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 2,001,121 | May 14, 1935 | A.A. Breuer | Portable suction cleaner | dust collectors | |
| 2,990,032 | Jun. 27, 1961 | R.L. Sandvig | Separator for use with rock drills | separators | |