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| All Patents in class 280/47.32 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,271,944 | Feb. 03, 1942 | A.W. Mall | Carriage for motors | ||
| 2,543,697 | Feb. 27, 1951 | C.W. Lanter | Caster mounting for cylindrical containers | vacuum cleaners | |