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Patents for A. R. Hillyer
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
82,802Oct. 06, 1868L.S. ColburnImprovement in slat-machineswindowblind machines
82,803Oct. 06, 1868L.S. ColburnImprovement in machines for boring window-blindswindowblind machines
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