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| Patents for Margaret A. Dunn | |||||
| Number | Date | Patentee | Title | Type | |
| 559,166 | Apr. 28, 1896 | G.H. Derby | Finishing-machine | sanding machines | |
| 638,958 | Dec. 12, 1899 | J.H. Coes | Wrench | wrench handle components | |
| 652,643 | Jun. 26, 1900 | E. Rivett | Thread-cutting attachment for lathes | metal lathe accessories and attachments | |
| 689,325 | Dec. 17, 1901 | F.E. Sands | Pipe Wrench | chain and strap wrenches | |
| 942,531 | Dec. 07, 1909 | A.C. Ambler | Saw-setting machine | saw sharpening machines | |