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| All Patents in class 269/87.3 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 1,476,611 | Dec. 04, 1923 | G. HInes | V Block Workholder or Drill Jig | ||
 | 1,952,152 | Mar. 27, 1934 | L.A. Wilkie | Apparatus for die stamping | |
| 3,980,287 | Sep. 14, 1976 | J.C. Nilsson | Combination Vise, V-Block and Drill Jig Workholder | ||
 | 4,025,064 | May 24, 1977 | H.C. Disston, Jr., T.J. Eichfeld, L. Van Dalen | Work hold-down for a machine tool having a table and column | |
 | 4,140,308 | Feb. 20, 1979 | H.C. Disston, Jr., T.J. Eichfeld | Work hold-down improvements | |