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| All Patents in class 403/97 | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 162,549 | Apr. 27, 1875 | C.A. Hege | Improvement in plows | |
| 239,437 | Mar. 29, 1881 | C. Bube | Folding Rule Joint | ||
![]() | 1,076,793 | Oct. 28, 1913 | O.W. Seipel | Wrench | |
![]() | 1,226,173 | May 15, 1917 | C.F. Benjamin | Combined Carpenter's Square and Miter-Gage | |
| 1,324,895 | Dec. 16, 1919 | G.C. Marx, H. Hertz | Universal support | ||
| 1,934,910 | Nov. 14, 1933 | J.F. Buhr | Collet Means | ||