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| Patents for F. L. Walker | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 52,995 | Mar. 06, 1866 | G.A. Walker, A. Hardy, F.L. Walker | Improvement in locks | |
 | 1,044,473 | Nov. 19, 1912 | A.C. Banke | Scraper | |
 | 1,111,795 | Sep. 29, 1914 | W.S. Hawker | Rod lathe | |
 | 1,365,779 | Jan. 18, 1921 | T.E. Grove | Indicating Calipers | |