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| Patents for Walter H. Piesse | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,696,971 | Jan. 01, 1929 | W.H. Piesse | Lubricating device | industrial machine lubrication | |
| 1,764,700 | Jun. 17, 1930 | W.H. Piesse, M.H. Spielman | Material-treating machine | food and drink mixers | |