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| All Patents in class 392/384 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,777,744 | Oct. 07, 1930 | A.A. Breuer | Portable heat blower | blowers | |
| 1,869,737 | Aug. 02, 1932 | A.A. Breuer | Portable heat blower | electrical devices | |
| 2,464,552 | Mar. 15, 1949 | G.W. Breuer | Combined blower and suction device | blowers | |