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Patents for E. F. Parker | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 124,212 | Mar. 05, 1872 | W.J. Liddell | Improvement in horse-powers | |
![]() | 211,576 | Jan. 21, 1879 | C.A. Lawton, E.W. Arndt | Improvement in bran-dusters | |
![]() | 229,096 | Jun. 22, 1880 | E.C. Clark | Hub-turning machine |