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US Patent: 2,519,652
Clamping device
Spring clamp with adjustable clamping force
Patentee:
John M. Hargrave - Cincinnati, OH

USPTO Classifications:
24/508

Tool Categories:
work holding : clamps : spring clamps

Assignees:
None

Manufacturer:
Cincinnati Tool Co. - Cincinnati, OH

Witnesses:
Unknown

Patent Dates:
Applied: Dec. 31, 1948
Granted: Aug. 22, 1950

Patent Pictures:
USPTO pdf tiff
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Description:
Inventor Hargrave was the president of Cincinnati Tool Co.

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