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| Patents for B. H. Chertok | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,151,959 | Aug. 31, 1915 | A.A. McKenzie | Folding supporting-frame for portable hand-vises | woodworkers vises | |
| 1,186,671 | Jun. 13, 1916 | A.A. McKenzie | Quick-acting vise | woodworkers vises | |