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US Patent: 718,573
Work-holding chuck
Patentees: George de Laval (exact or similar names) - Cambridge, MA Charles W. Chisholm (exact or similar names) - Somerville, MA USPTO Classifications: 269/113, 269/119, 269/154, 269/234 Tool Categories: work holding : vises : metalworking machine vises Assignees: George F. Blake Manufacturing Co. - New York, NY Manufacturer: Not known to have been produced Witnesses: John J. Finley E. R. Stickney	Patent Dates: Applied: May 02, 1901 Granted: Jan. 13, 1903 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Carl Matthews
Description: The assignee, George F. Blake Manufacturing Co., made pumps for steam engines, fire engines, and marine use.

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