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| All Patents in class 312/235.2 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,045,756 | Jun. 30, 1936 | P.H. Cone | Mechanism for Keeping Records | office worker | |
| 3,567,302 | Mar. 02, 1971 | A.W. Carlson | Sliding door cabinet construction | ||