If you use assistive technology (such as a screen reader) and need a
version of this document in a more accessible format, please email firstname.lastname@example.org.
Please tell us what format you need. It will help us if you say what assistive technology you use.
Patent decision: O/084/94 in the matter of a reference under section 12(1)(a) by Exal Sampling Services Limited and Leutert (North Sea) Ltd in respect of international patent application PCT/GB91/00224 in the name of Oilphase Sampling Services Limited, Keith James Massie, James Andrew McGilvray and Jonathan Webster Brown dated 9 June 1994.