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Patents for Irma Baetzel | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 863,460 | Aug. 13, 1907 | R.P. Smith, G.E. Drum | Dyeing-machine | |
![]() | 917,026 | Apr. 06, 1909 | R.P. Smith, G.E. Drum | Reversing mechanism for dyeing-machines | |
![]() | 973,487 | Oct. 25, 1910 | J.H. Skitt, G.E. Drum | Dyeing-machine |