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| Patents for Harold S. Sizer | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,083,620 | Jun. 15, 1937 | H.S. Sizer | Hair Clipper | hair clippers | |
| 2,606,033 | Aug. 05, 1952 | H.S. Sizer | Machine-Tool Feed Finger | screw machines | |