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CA Patent: CA-385,422
Convertible filing machine
Patentee: Leighton A. Wilkie (exact or similar names) - Minneapolis, MN USPTO Classifications: Tool Categories: metalworking machines : filing machines Assignees: Continental Machines, Inc. - Minneapolis, MN Manufacturer: DoALL Co., Inc. - Des Plaines, IL Witnesses: Unknown	Patent Dates: Granted: Dec. 05, 1939 Patent Pictures: CIPO Data Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for DoALL Co., Inc.
Description: This is the Canadian equivalent of US patent 2,204,840.

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