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| Patents for Arnold S. Lack | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,947,052 | Feb. 13, 1934 | A.S. Lack | Power Transmission Coupling | power transmissions | |
| 2,002,668 | May 28, 1935 | A.S. Lack | Internal Combustion Engine | internal combustion engines | |