If you use assistive technology (such as a screen reader) and need a
version of this document in a more accessible format, please email email@example.com.
Please tell us what format you need. It will help us if you say what assistive technology you use.
Patent decision O/104/90 in the matter of an reference under section 37(1)(a) by Philip Geoffrey Farmiloe and Charpin Limited in relation to Patent no 2161072 in the name of John Theophilus Brueton dated 27 August 1990.