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| All Patents in class 248/282.1 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 1,892,813 | Jan. 03, 1933 | E.H. Sheldon | Desk structure | ||
| 1,961,459 | Jun. 05, 1934 | E.H. Sheldon | Desk and seat structure | ||