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| Patents for Harold E. Smith | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,086,078 | Feb. 03, 1914 | H.R. Palmer | Plier Wrench | pliers | |
| 1,208,924 | Dec. 19, 1916 | W.L. Deming | Knockdown table | ||
| 2,418,714 | Apr. 08, 1947 | H.E. Smith, I. Jacobson | Photographic Synchronizing Equipment | camera flash lighting apparatus | |