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US Patent: 1,685,899
Clamping Device
Patentee: William K. Andrew (exact or similar names) - Milwaukee, Milwaukee County, WI USPTO Classifications: 269/231, 269/235, 269/303, 269/315, 279/123, 409/241, 411/398, 451/365 Tool Categories: work holding : clamps Assignees: Kearney & Trecker Corp. - West Allis, Milwaukee County, WI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Oct. 04, 1923 Granted: Oct. 02, 1928 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Kearney & Trecker Co.

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