Henry Francis Joel
Also see H. F. Joel and Co
c.1851 Born, St Pancras.
1873 Birth of son Henry F. Joel, Junior
1881 Patent on electric lamps (#1881)
1881 Patent on magneto-electro machine (#4607)
1895 Patent on improvements in incandescent lamps with Ferdinand Fanta, of London (#23111)
1899 Details of the Joel electric motor carriage to be marketed by the National Motor Carriage Syndicate. Batteries by B. A. Rosenthal.[1]
1909 US patent on improvements in secondary batteries (application made in 1907)
1911 Living at 74 Windsor Road, Forest Gate, Essex: Henry Francis Joel (age 60 born St. Pancras), an Electrical Engineer and Employer. With his wife (married 38 years with six children) Cecilia Mary Joel (age 63 born Limehouse) and their children Florence Mabel Joel (age 25 born Dalston) and Helen Doris Joel (age 24 born Dalston). One servant.[2]