Harold Wilson Bolsover (1878-1960) of R. H. and H. W. Bolsover and Bolsover Brothers
Born the son of Rowland Wilson Bolsover, a Solicitor.
1904 Patent. 17487. H. W. Bolsover, Stockton-on-Tees. An improvement for securing or locking keys in chairs of railway lines.[1]
1911 Residing at Highfield, Eaglescliffe, Co. Durham: Elizabeth Bolsover (age 66 born Manchester), Widow. With her sons Roland Haworth Bolsover (age 34 born Stockton), General Mechanical Engineer, and Harold Wilson Bolsover (age 28 born Stockton), General Mechanical Engineer. Also her daughter Mary Dorothea Bolsover (age 19).[2]
1955 'Mr. H. W. Bolsover, of the Old Vicarage, Grosment, near Whitby, has invented and patented a machine for mechanically displaying radio and TV programmes in the home. He calls the Bolsover Continuous Programme Indicator'[3]