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US Patent: 2,117,300
Rock crushing machine
Patentee:
John Corser - Minneapolis, MN

USPTO Classifications:
198/530, 198/532, 198/580, 198/611, 241/101.71, 241/76, 241/80, 241/81

Tool Categories:

Assignees:
Diamond Iron Works, Inc. - Minneapolis, MN

Manufacturer:
Diamond Iron Works - Minneapolis, MN

Witnesses:
Unknown

Patent Dates:
Granted: May 17, 1938

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Diamond Iron Works
Description:
The assignee also made sawmill machinery.

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