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US Patent: RE4,980
Improvement in joints for cement-pipes
Patentee: Melvin Stephens (exact or similar names) - Brooklyn, NY USPTO Classifications: 285/290.3, 285/371, 285/420 Tool Categories: water distribution systems : pipes propulsion and energy : steam apparatus Assignees: Nathan Stephens - Brooklyn, NY Melvin Stephens - Brooklyn, NY Manufacturer: Not known to have been produced Witnesses: Charles H. Smith George T. Pinckney	Patent Dates: Granted: Jul. 16, 1872 Reissue Information: Reissue of 94,146 (Aug. 24, 1869) Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Stephens Patent Vise Co.

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