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Dentist earned fame for medical device

Bethany, MO: Dr. J. G. E. Hinkle, who practiced dentistry in Bethany most of his life, earned international fame for the invention of an anesthetic machine. (To read more purchase a Republican Clipper newspaper or subscribe on-line).

Caleb Osmon September 11, 2026 1 minute read

Bethany, MO: Dr. J. G. E. Hinkle, who practiced dentistry in Bethany most of his life, earned international fame for the invention of an anesthetic machine. (To read more purchase a Republican Clipper newspaper or subscribe on-line).