D. Leonardt and Co

of 100 Charlotte Street, Birmingham
1856 Company established by Diedrich Leonardt
1880 Moved to Charlotte Street
1901 Manufacturer of pens
1949 Merged with Highley Pen Co
See Also
Sources of Information
- Birmingham’s Industrial Heritage by Ray Shill. Published by Sutton Publishing 2002. ISBN 0-7509-2593-0