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US Patent: 562,529
Machine for Making Spiral Wire Springs
Patentee:
Carl Andreas Viktor Hällgren (exact or similar names) - Stockholm, Stockholm County, Sweden

USPTO Classifications:
72/143

Tool Categories:
specialty machines : spring making machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Sep. 06, 1895
Granted: Jun. 23, 1896

Patent Pictures:
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