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| Patents for Worcester R. Warner | |||||
| Picture | Number | Date | Patentee | Title | |
| 585,894 | Jul. 06, 1897 | H.M. Lucas, A. Swasey | Feed Mechanism for Screw Machines | ||
| 632,544 | Sep. 05, 1899 | H.M. Lucas, W.R. Warner | Lathe Tool | ||
| 714,340 | Nov. 25, 1902 | G. Fecker, W.R. Warner | Binocular Glass | ||