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US Patent: 428,360
Tool Attachment for Planners
Patentee:
James Wilkinson - Philadelphia, PA

USPTO Classifications:
409/345

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
H. Walker
C. Sedgwiek
Frank Morthhorst
Charles F. Linde

Patent Dates:
Applied: Mar. 17, 1890
Granted: May 20, 1890

Patent Pictures:
USPTO pdf tiff
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