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| Patents for John F. McCanna Jr. | |||||
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| Picture | Number | Date | Patentee | Title | |
 | D43,639 | Feb. 25, 1913 | J.H. Nolan | Design for a Hammer | |
| 1,128,274 | Feb. 09, 1915 | J.B. Sinderson | Slideway Construction | ||
| 1,139,422 | May 11, 1915 | J.R. Johnson | Milling-Machine | ||
| 1,143,584 | Jun. 15, 1915 | J.R. Johnson | Milling-Machine | ||
| 1,143,585 | Jun. 15, 1915 | J.R. Johnson | Milling-Machine Spindle-Head | ||
| 1,153,165 | Sep. 07, 1915 | J.R. Johnson | Milling-Machine | ||