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| Patents for Crown Die & Tool Co. | |||||
| Picture | Number | Date | Patentee | Title | |
| 1,058,711 | Apr. 15, 1913 | E.E. Beck | Cut-back-die-thread machine | ||
| 1,077,951 | Nov. 04, 1913 | E.E. Beck | Cutting implement | ||
![]() | 1,168,049 | Jan. 11, 1916 | E.E. Beck | Post pipe-vise | |
| 1,395,252 | Nov. 01, 1921 | E.E. Beck | Thread Cutting Die | ||
| RE15,953 | Nov. 25, 1924 | E.E. Beck | Cut-back-die-thread machine | ||