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US Patent: 1,749,080
Hydraulic filter press
Patentee: William H. Mathers (exact or similar names) - Hollis, NY USPTO Classifications: 210/224, 210/230 Tool Categories: Assignees: Richard Dudgeon, Inc. - New York, NY Manufacturer: Richard Dudgeon - New York, NY Witnesses: Unknown	Patent Dates: Applied: Mar. 25, 1927 Granted: Mar. 04, 1930 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Wikipedia biography of Richard Dudgeon Vintage Machinery entry for Richard Dudgeon

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