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CA Patent: CA-1,003,308
Automatic roll tensioning method and apparatus
Patentees: Francis Edwin Allen (exact or similar names) - North Vancouver, BC Canada Andrew Wilkinson Porter (exact or similar names) - Vancouver, BC Canada USPTO Classifications: Tool Categories: woodworking machines : bandsaws : band sawmills woodworking machines : sawmills : band sawmills Assignees: Letson & Burpee, Ltd. - Vancouver, BC Canada Manufacturer: Letson & Burpee Co., Ltd. - Vancouver, BC Canada Witnesses: Unknown	Patent Dates: Applied: Dec. 12, 1974 Granted: Jan. 11, 1977 Patent Pictures: CIPO Data Espacenet patent Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Letson & Burpee, Ltd.

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