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| Patents for George E. Allen | |||||
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| Number | Date | Patentee | Title | Type | |
| 460,421 | Sep. 29, 1891 | G.E. Allen | Combined Protractor & Bevel | protractors | |
| 774,112 | Nov. 01, 1904 | W. Rundquist | Screw Gripping Screwdriver | screwdriver blades | |