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| Patents for Bertha E. Lee | |||||
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| Number | Date | Patentee | Title | Type | |
| 390,470 | Oct. 02, 1888 | P.L. Fox | Combined Try Square and Device for Laying Out Angles | try squares | |
| 395,222 | Dec. 25, 1888 | J.S. Fray | Brace-Chuck | brace chucks | |
| 396,857 | Jan. 29, 1889 | L.F. Carstensen | Wrench | screw adjust wrenches | |
| 398,318 | Feb. 19, 1889 | E.C. Ellwood | Carpet Stretcher | combination tools | |