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US Patent: 407,675
Tube Bending Machine
Patentees:
John F. McNutt - Warren, Trumbull County, OH
Hiram F. Grimmesey - Warren, Trumbull County, OH

USPTO Classifications:
72/315

Tool Categories:
specialty machines : pipe making machines : pipe and tube benders

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Mar. 19, 1889
Granted: Jul. 23, 1889

Patent Pictures:
USPTO pdf tiff
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