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US Patent: 4,312,435
Safety devices for mechanically operated apparatus such as a punch press
Patentee:
Leslie J. Hollo - Ancaster, ON Canada

USPTO Classifications:
192/149, 192/28, D15/122

Tool Categories:
metalworking machines : punch presses

Assignees:
Brown, Boggs Foundry & Machine Co., Ltd. - Hamilton, ON Canadaa

Manufacturer:
Brown, Boggs Co., Ltd. - Hamilton, ON Canada

Witnesses:
Unknown

Patent Dates:
Granted: Jan. 26, 1982

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Brown, Boggs Co., Ltd.

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