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US Patent: 1,828,828
Emergency stop for friction screw presses
Patentee: Edmund W. Zeh (exact or similar names) - Newark, NJ USPTO Classifications: 188/110, 192/128, 476/26 Tool Categories: metalworking machines : metalworking presses : punch presses Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Oct. 21, 1930 Granted: Oct. 27, 1931 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Zeh & Hahnemann Co.
Description: Emergency stop for the press of patent 1,151,845, the Zeh & Hahnemann "Patent Percussion Power Press".

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