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| Patents for A. C. Hetherlin | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,113,152 | Oct. 06, 1914 | F.H. Clement | Cut-off gage for sawing-machines | tablesaw accessories | |
| 1,113,153 | Oct. 06, 1914 | F.H. Clement | Machine-gage | tablesaw accessories | |
| 1,327,160 | Jan. 06, 1920 | J. Hurtig | Electrically-driven spindle | electric motors | |