US Patent: 842,585 - Drafting Attachment


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US Patent: 842,585

Drafting Attachment

Patentee:

Thomas S. Ross (exact or similar names) - Baltimore, MD

USPTO Classifications:

Tool Categories:

Assignees:

Thomas S. Ross - Baltimore, MD

James J. Ellis - Baltimore, MD

Michael Noon - Baltimore, MD

Manufacturer:

Not known to have been produced

Witnesses:

Patent Pictures: