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| Patents for Hardie-Tynes Mfg. Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,769,898 | Jul. 01, 1930 | W.E. Mathews | Unloading System for Compressors | air compressors | |
| 1,795,310 | Mar. 10, 1931 | W.E. Mathews | Compressor Unloader | air compressors | |
| 3,839,946 | Oct. 08, 1974 | W.W. Paget | Nonlubricated Compressor | air compressors | |