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| All Patents in class 33/41.4 | |||||
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| Number | Date | Patentee | Title | Type | |
| 520,424 | May 29, 1894 | C. Guyer | Shingle machine | shingle machines | |
| 2,135,316 | Nov. 01, 1938 | S.A. Whistler, L.V. Whistler | Point or plane finder | height gages | |