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| Patents for William H. Mathers | |||||
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| Number | Date | Patentee | Title | Type | |
| 899,462 | Sep. 22, 1908 | J.W. Nelson, W.H. Mathers | Air-valve for hydraulic jacks | hydraulic jacks | |
| 1,749,080 | Mar. 04, 1930 | W.H. Mathers | Hydraulic filter press | ||