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| Patents for Marion E. Handforth | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 1,038,967 | Sep. 17, 1912 | W. Russell | Tap-wrench | |
 | 1,061,129 | May 06, 1913 | C.C. Russell | Screw-plate | |
 | 1,072,777 | Sep. 09, 1913 | W. Russell | Internal-combustion engine | |