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All Patents in class 92/149 | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 811,520 | Jan. 30, 1906 | E. Reynolds | Steam-engine | |
1,737,419 | Nov. 26, 1929 | I.A. Hanssen | Pneumatic tool | ||
1,836,189 | Dec. 15, 1931 | C.D. Salisbury | Internal Combustion Engine Construction |