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| All Patents in class 73/864.45 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,939,430 | Dec. 12, 1933 | A.B. Andrews | Sampling tool for pulp or the like | papermaker | |
| 2,083,418 | Jun. 08, 1937 | A.B. Andrews | Sampling tool for pulp or the like | papermaker | |