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US Patent: 271,956
Sheet-metal-shearing machine
Patentee: Christian Wais (exact or similar names) - Newport, KY USPTO Classifications: 83/375, 83/449, 83/468.7, 83/530, 83/625, 83/636, 83/648 Tool Categories: metalworking machines Assignees: Christian Wais - Newport, KY William J. Rothweiler - Newport, KY Manufacturer: Wais & Roos - Cincinnati, OH Wais & Roos Punch & Shear Co. - Cincinnati, OH Witnesses: John E. Jones Adolph Gluchowsky	Patent Dates: Applied: Sep. 06, 1882 Granted: Feb. 06, 1883 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Wais & Roos Punch & Shear Co.

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