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US Patent: 740,553
Bolt Holder
Napoleon Grandchamp - Frazee, MN
Joseph A. Schlehr - Frazee, MN

USPTO Classifications:
606/147, 81/13, 81/412

Tool Categories:

Joseph A. Schlehr - Frazee, MN

Eagle Claw Wrench Co. - Minneapolis, MN

W. E. Hosmer
L. W. Oberhauser
G. V. Worthington
J. C. Willson

Patent Dates:
Applied: Apr. 06, 1903
Granted: Oct. 06, 1903

Patent Pictures: [ 1 | 2 ]
Napoleon Grandchamp & Joseph A. Schlehr patent Oct. 6, 1903
USPTO pdf tiff
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Pliers type tool with specialized jaw form to grip round "carriage bolt" heads. Corresponding British patent GB-190320172 was registered Sept. 18, 1903.

Patent date appears on the earliest version of the EAGLE CLAW WRENCH. (See also patent nos. 1,016,296 and 1,051,921)

Schlehr was one of three incorporaters of the Eagle Claw Wrench Co. at Minneapolis in 1905.

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