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US Patent: 609,251
Electric-Circuit Controller
Patentee:
Nikola Tesla (exact or similar names) - New York, NY

USPTO Classifications:
200/200

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jun. 03, 1897
Granted: Aug. 16, 1898

Patent Pictures:
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