HDS-patent drawings,Litho Printing, Digital, Patent draughtsman,in London, EC1.

Formed in 1965, Heron Dawson and Sawyer or HDS as they affectionately known, have 45 years experience in the print and reprographics trade, providing print products and intellectual properties services to clients internationally. The company is based in Clerkenwell, London EC1. With state of the art facilities and fully qualified staff, the ...