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All Patents in class 29/81.17 | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 1,648,888 | Nov. 15, 1927 | F.E. Aurand | Portable surface-cleaning tool | |
![]() | 1,874,220 | Aug. 30, 1932 | F.E. Aurand | Portable surface cleaning tool | |
2,368,988 | Feb. 06, 1945 | J.C. Honhart | Brush Holder and Combination Tool |