John L. Critcher, 73, engineer, inventor

April 28, 2002

A memorial Mass was offered Friday at St. Joseph Roman Catholic Church in Cockeysville for John L. Critcher, a retired engineer and inventor who died Monday of lung cancer at Greater Baltimore Medical Center. He was 73.

Mr. Critcher retired in 1990 from manufacturer AAI Corp. in Cockeysville, where he had worked for more than 30 years in its munitions unit.

Born in Lynchburg, Va., and raised in East Baltimore, he was a graduate of parochial schools. He also attended the Maryland Institute, College of Art. He served in naval aviation from 1948 until 1956 as a ground crew instructor and an inspector.

An inventor and avid Porsche fan, Mr. Critcher invented a tool to remove lug nuts; it is marketed by his company, Artomate.

He enjoyed photography, golf and playing the piano.

His marriage to the former Dorothy Brothers ended in divorce.

Mr. Critcher is survived by two sons, David Critcher of Crownsville and Greg Critcher of Baltimore; a daughter, Ruth Ann Critcher of Belchertown, Mass.; a brother, William Critcher of Baltimore; and a sister, Gertrude Getz of Baltimore.

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