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| Patents for Frank Lombard | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 545,188 | Aug. 27, 1895 | F. Lombard, F.C. Billings | Drop Hammer | |
 | CA-51,763 | Mar. 25, 1896 | F. Lombard, F.C. Billings | Drop Hammer | |
| 566,199 | Aug. 18, 1896 | F. Lombard | Drop Hammer | ||
| 576,273 | Feb. 02, 1897 | F. Lombard | Drop Hammer | ||
| 577,531 | Feb. 23, 1897 | F. Lombard | Drop Hammer | ||
 | 625,341 | May 23, 1899 | C. Miller, F. Lombard | Combined Lock and Wrench | |