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| Patents for William W. Rosenbaum | |||||
| Number | Date | Patentee | Title | Type | |
| 339,194 | Apr. 06, 1886 | M. Lafever | Traction Engine | traction engine suspensions | |
| 410,555 | Sep. 03, 1889 | E. D'Amour, C.H. Milliken, J.A. Milliken | Ticket Printing Machine | ||