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US Patent: 2,771,790
Double drive power punch press
Patentee:
Frederick E. Munschauer - Buffalo, NY

USPTO Classifications:
100/282, 192/12C, 192/145, 192/48.611, 192/48.8, 477/4, 477/5, 74/665B

Tool Categories:
metalworking machines : punch presses

Assignees:
Niagara Machine & Tool Works - Buffalo, NY

Manufacturer:
Niagara Machine & Tool Works - Buffalo, NY

Witnesses:
Unknown

Patent Dates:
Applied: Jul. 12, 1954
Granted: Nov. 27, 1956

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Niagara Machine & Tool Works

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