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| Patents for Philip M. Haas | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 188,126 | Mar. 06, 1877 | P.M. Haas | Improvement in machines for making balusters | |
 | 226,912 | Apr. 27, 1880 | P.M. Haas | Machine for turning balusters | |
| 332,076 | Dec. 08, 1885 | P.M. Haas | Shafting | ||