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US Patent: 4,312,435
Safety devices for mechanically operated apparatus such as a punch press
Patentee: Leslie J. Hollo (exact or similar names) - Ancaster, ON Canada USPTO Classifications: 192/149, 192/28, D15/122 Tool Categories: metalworking machines : metalworking presses : punch presses Assignees: Brown, Boggs Foundry & Machine Co., Ltd. - Hamilton, ON Canada Manufacturer: Brown, Boggs Co., Ltd. - Hamilton, ON Canada Witnesses: Unknown	Patent Dates: Applied: Oct. 09, 1979 Granted: Jan. 26, 1982 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Brown, Boggs Co., Ltd.

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