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| All Patents in class 248/453 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 839,643 | Dec. 25, 1906 | G.H. Richardson | Combination Note Book, Copy Holder and Tool Kit | ||
 | 1,841,690 | Jan. 19, 1932 | F. Weindel, Jr. | Card holder | |
 | 1,971,600 | Aug. 28, 1934 | R.J. Denio | Notebook holder | |