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All Patents in class 403/235 | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 144 | Mar. 11, 1837 | D. Pierce | Improvement in Scythe-Snaths | |
![]() | 23,358 | Mar. 29, 1859 | J.E. Emerson | Pick-handle | |
![]() | RE1,304 | Apr. 29, 1862 | J.E. Emerson | Pickaxe handle | |
434,896 | Aug. 19, 1890 | W.F. Walker | Pick | ||
786,344 | Apr. 04, 1905 | S.C. Campaigne | Brick Trimming Tool | ||
2,337,513 | Dec. 21, 1943 | O.H. Watson | Composite Lever for Weighing Scales |