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| All Patents in class 55/429 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,368,343 | Jan. 30, 1945 | E.E. Buskirk | Air purifier | dust collectors | |
| 2,384,414 | Sep. 04, 1945 | C.H. Antrim | Dust collector for grinding and other machines | ||
| 2,990,032 | Jun. 27, 1961 | R.L. Sandvig | Separator for use with rock drills | separators | |
| 6,027,541 | Feb. 22, 2000 | M.B. Siemers | Lid for auxiliary dust removal receptacle | ||
| 6,210,457 | Apr. 03, 2001 | M.B. Siemers | Transparent lid for auxiliary dust removal receptacle | ||