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| Patents for Robert D. Totten | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 455,993 | Jul. 14, 1891 | J. Barrett | Lifting-jack | |
 | 455,994 | Jul. 14, 1891 | J. Barrett | Lifting-jack | |
 | 455,995 | Jul. 14, 1891 | J. Barrett | Lifting-jack | |
 | 495,689 | Apr. 18, 1893 | J. Barrett | Oil-well-drilling apparatus | |
 | 527,102 | Oct. 09, 1894 | J. Barrett | Jack | |
 | 1,337,018 | Apr. 13, 1920 | A.F. Lawson, G.B. Lockey | Thread Gage | |