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US Patent: 76,409
Improvement in inkstands
Patentee:
Samuel Darling (exact or similar names) - Bangor, ME

USPTO Classifications:
222/578

Tool Categories:
trade specific : draftsman

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
John E. Hall
J. H. Perkins
Patent Dates:
Granted: Apr. 07, 1868

Patent Pictures:
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Description:
Of interest because the inventor became a principal of tool-maker Darling, Brown & Sharpe.

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