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Patents for Lawrence Zamboni
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
786,616Apr. 04, 1905L. ZamboniRoller-stand for switch-rodsrailroads
828,698Aug. 14, 1906L. ZamboniPulley-framedoor and window hardware
828,699Aug. 14, 1906L. Zamboni, R.H. BowenPulley-framedoor and window hardware
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