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| All Patents in class 403/371 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 9,805 | Jun. 21, 1853 | W. Sherrod | Expanding Mandrel for Turning Machinery | ||
 | 670,533 | Mar. 26, 1901 | A.A. Byrd | Expanding-mandrel and chuck | |
 | 963,935 | Jul. 12, 1910 | J. Parker | Cutter-holding device for milling-machines | |
| 1,044,299 | Nov. 12, 1912 | G.T. Trundle | Chuck | ||
| 1,166,408 | Dec. 28, 1915 | C.W. Blood | Self-centering support for rotary heads | ||
| 3,452,633 | Jul. 01, 1969 | E.J. Hammon | Die set shank construction | ||