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| All Patents in class 403/378 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 1,030,592 | Jun. 25, 1912 | J.A. Leland | Telescopic Extension-Rod | |
 | 1,049,230 | Dec. 31, 1912 | A.A. Harvie | Knockdown Carpenter's Square | |
 | 1,371,750 | Mar. 15, 1921 | W.R. Fox | Flexible shaft-coupling | |
| 1,837,341 | Dec. 22, 1931 | L.S. Shaffer | Digging Tooth | ||
| 2,755,117 | Jul. 17, 1956 | J.B. Armitage | Machine Tool Spindles | ||
 | 3,132,882 | May 12, 1964 | S.E. Farekas | Face Plate Locking Means | |
| 3,402,879 | Sep. 24, 1968 | J.W. Schroeter | Fan construction | ||