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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:
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Description:
The assignee, George F. Blake Manufacturing Co., made pumps for steam engines, fire engines, and marine use.

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