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| All Patents in class 187/289 | |||||
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| Number | Date | Patentee | Title | Type | |
| 273,208 | Feb. 27, 1883 | S.S. Wheeler | Electric Elevatror | elevators and lifts | |
| 324,621 | Aug. 18, 1885 | S.S. Wheeler | Electric Elevator | elevators and lifts | |
| 454,462 | Jun. 23, 1891 | R. Eickemeyer | Electric elevator | ||