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| Patents for Stephen D. Field | |||||
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| Number | Date | Patentee | Title | Type | |
| 314,242 | Mar. 24, 1885 | C.L. Healy | Armature for Dynamo Electric Machines | motor armatures | |
| 513,992 | Feb. 06, 1894 | R. Eickemeyer | Method of and means for developing dyed stiff hat-bodies | milliner | |
| 609,016 | Aug. 16, 1898 | R. Eickemeyer | Electric elevator | ||