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US Patent: 2,950,211
Heterocyclic Asphalt Additives
Patentees: Clarence F. Huber (exact or similar names) - Mount Healthy, Hamilton County, OH Paul F. Thompson (exact or similar names) - Deer Park, Hamilton County, OH USPTO Classifications: 106/269, 106/284.2, 548/313.7, 548/347.1, 548/348.1, 548/349.1, 554/55 Tool Categories: manufacturing : manufacturing processes Assignees: Cincinnati Milling Machine Co. - Cincinnati, Hamilton County, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Mar. 06, 1957 Granted: Aug. 23, 1960 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Cincinnati Milling Machine Co.

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