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Patents for William H. Mackrell
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
6,593X	Jun. 13, 1831	W.H. Mackrell	Securing window blinds	shutters and blinds
RE18	Dec. 10, 1839	W.H. Mackrell	Improvement in Fasteners for Shutters and Blinds	shutters and blinds

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