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US Patent: 2,975,701
Power press with shiftable bolster means
Patentees:
Frederick E. Munschauer, Jr. - Eggertsville, NY
George E. Munschauer - Eggertsville, NY
Edwin A. Munschauer, Jr. - Snyder, NY

USPTO Classifications:
100/214, 100/215, 100/224, 100/229R, 100/295, 100/918, 72/448, 83/532

Tool Categories:
metalworking machines : punch presses
metalworking machines : sheet metal : stamping presses

Assignees:
Niagara Machine & Tool Works - Buffalo, NY

Manufacturer:
Niagara Machine & Tool Works - Buffalo, NY

Witnesses:
Unknown

Patent Dates:
Applied: Aug. 17, 1960
Granted: Mar. 21, 1961

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

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