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US Patent: 3,144,777
Compound motion adapter for buffing machine
Patentees: John G. Hackert (exact or similar names) - Birmingham, MI Otto Thiel (exact or similar names) - Detroit, MI USPTO Classifications: 451/159, 74/22R, 74/48 Tool Categories: specialty machines : polishing and buffing machinery Assignees: Midwest Supply & Mfg. Co. - Ferndale, MI Manufacturer: Midwest Supply & Mfg. Co. - Ferndale, MI Witnesses: Unknown	Patent Dates: Applied: Oct. 10, 1960 Granted: Aug. 18, 1964 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Midwest Supply & Mfg. Co.
Description: Improvement to patent 3,099,902 to retrofit a reciprocating motion to the polishing or buffing spindle.

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