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CA Patent: CA-513,563
Paper refiner
Patentee: Howard D. Hyman (exact or similar names) - Ottawa, ON Canada USPTO Classifications: Tool Categories: manufacturing : manufacturing processes : manufacturing paper Assignees: Alexander Fleck, Ltd. - Ottawa, ON Canada Manufacturer: Alexander Fleck, Ltd. - Ottawa, ON Canada Witnesses: Unknown	Patent Dates: Granted: Jun. 07, 1955 Patent Pictures: CIPO Data Espacenet patent Report data errors or omissions to steward Jeff Joslin "Vintage Machinery" entry for Vulcan Iron Works, Alexander Fleck Co.

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