Renwick and Bertelli
Of Tyseley, Birmingham
Partnership of A. C. Bertelli and W. S. Renwick of King's-Road , Tysley, Birmingham - See Also R and B (Reaba).
c1924 W. S. Renwick and A. C. Bertelli built a prototype car
1926 Took out patent no. 247,729 for Improvements in Cylinder Heads for Internal Combustion Engines.[1]
1937 Company struck off register of companies[2]