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Patents for F. X. Bertrand Mfg. Co.
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	CA-12,834	May 19, 1881	F.X. Bertrand	Improvements in shingle machines
	CA-14,892	Jun. 03, 1882	F.X. Bertrand	Improvements in the F. X. Bertrand shingle sawing machine

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