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| All Patents in class 15/327.1 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,103,893 | Dec. 28, 1937 | E.E. Buskirk | Portable air purifier unit | dust collectors | |
| 2,475,815 | Jul. 12, 1949 | G.C. Burd | Vacuum cleaning device | dust collectors | |
| D170,401 | Sep. 15, 1953 | J.J. Cinelli | Combined motor, blower, and cover for a vacuum cleaner housing | blowers | |