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| Patents for George W. Jopson | |||||
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| Number | Date | Patentee | Title | Type | |
| 148,961 | Mar. 24, 1874 | G.W. Jopson | Chucks for Metal Lathes | metal lathe chucks | |
| 259,164 | Jun. 06, 1882 | G.W. Jopson | Calipers | calipers | |
| 343,178 | Jun. 08, 1886 | G.W. Jopson | Calipers | calipers | |
| 390,650 | Oct. 09, 1888 | N.W. Crandall | Vise | bench vises | |
| 636,531 | Nov. 07, 1899 | G.W. Jopson | Folding corkscrew, screw-driver, &c. | pocket and protected cork extractors | |