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US Patent: 500,701
Condenser
Patentees: Charles G. Redstone (exact or similar names) - Olean, NY Davis S. Abbott (exact or similar names) - Olean, NY USPTO Classifications: 165/174, 285/189 Tool Categories: trade specific : leatherworker Assignees: None Manufacturer: Not known to have been produced Witnesses: William V. Smith M. B. Spiller	Patent Dates: Applied: Apr. 15, 1892 Granted: Jul. 04, 1893 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin
Description: "This invention relates to condensers, and particularly those employed for heating and cooling the liquor used in tanning leather..."

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