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| Patents for James E. Woodbridge | |||||
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| Number | Date | Patentee | Title | Type | |
| 243,770 | Jul. 05, 1881 | J.E. Woodbridge, F.N. Gardner | Holder for Grinding Tools | grinding attachments | |
| 256,668 | Apr. 18, 1882 | F.N. Gardner | Cutter Holder for Lathes | lathe tool holders and tool posts | |
| 262,878 | Aug. 15, 1882 | J.E. Woodbridge | Metal Turning Tool | lathe tools | |
| 414,357 | Nov. 05, 1889 | J.E. Woodbridge | Screw Cutting Tool | taps and dies | |