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US Patent: 460,795
Dental Engine Head
Patentee:
Andrew J. Harris (exact or similar names) - Chicago, Cook County, IL

USPTO Classifications:
433/110, 433/112, 433/164

Tool Categories:
specialty machines : dental apparatus

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: May 05, 1891
Granted: Oct. 06, 1891

Patent Pictures:
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