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Patents for Henry J. Kingsbury | |||||
Number | Date | Patentee | Title | Type | |
1,743,134 | Jan. 14, 1930 | W.C. Hammond, H.J. Kingsbury | Motor-driven machine | ||
2,446,597 | Aug. 10, 1948 | H.J. Kingsbury | Worktable for belt grinders or the like | sanding machines |