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| Patents for Dwight F. Walker | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 117,020 | Jul. 11, 1871 | D.F. Walker | Improvement in paneling-machines | |
 | 120,405 | Oct. 31, 1871 | D.F. Walker | Improvement in panel-raising machines | |
 | 491,789 | Feb. 14, 1893 | D.F. Walker | Grindstone, emery-wheel, &c. | |
| 510,742 | Dec. 12, 1893 | D.F. Walker | Paper holder and cutters | ||
| 541,192 | Jun. 18, 1895 | D.F. Walker | Paper-roll holder | ||
| 544,016 | Aug. 06, 1895 | D.F. Walker | Attachment for paper-holding stands | ||