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US Patent: D106,458
Design for a portable grinding machine
Patentee:
Otto St. John - Toledo, OH

USPTO Classifications:
D15/124

Tool Categories:

Assignees:
American Floor Surfacing Machine Co. - Toledo, OH

Manufacturer:
American Floor Surfacing Machine Co. - Toledo, OH

Witnesses:
Unknown

Patent Dates:
Applied: Aug. 02, 1937
Granted: Oct. 12, 1937

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for American Floor Surfacing Machine Co.

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