| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 55/473 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 294,248 | Feb. 26, 1884 | J.M. McIntyre | Method of and apparatus for separating dust from air | waste collection mechanisms | |
| 2,103,893 | Dec. 28, 1937 | E.E. Buskirk | Portable air purifier unit | dust collectors | |
| 2,390,101 | Dec. 04, 1945 | J.P. Jason | Suction cleaning apparatus | ||
| 2,524,347 | Oct. 03, 1950 | H.L. Gilmore | Filter unit | dust collectors | |