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US Patent: 2,849,908
Locking Open End Wrench with Lock Retaining Means
Patentees: John E. Swanstrom (exact or similar names) - Duluth, MN Wade Hampton Connell (exact or similar names) - Duluth, MN Joseph Fenimore Cooper, Jr. (exact or similar names) - Duluth, MN Swan Elmer Swanson (exact or similar names) - Duluth, MN USPTO Classifications: 81/165 Tool Categories: wrenches : wrench adjustment types : screw adjust wrenches Assignees: None Manufacturer: Diamond Calk Horseshoe Co. - Duluth, MN Witnesses: none listed	Patent Dates: Applied: Aug. 06, 1957 Granted: Sep. 02, 1958 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Stan Schulz
Description: Williamson, Schroeder, Adams & Meyers - patent attorneys

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