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US Patent: 803,657
Collector-Polisher
Patentee:
Oscar Zschockelt (exact or similar names) - Dresden, Saxony , Germany

USPTO Classifications:
451/418, 451/493, 451/904, 451/907, 82/128

Tool Categories:
specialty machines : commutator dressing machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Mar. 31, 1905
Granted: Nov. 07, 1905

Patent Pictures:
USPTO (New site tip)
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