Copies of patents, which contain fuller details and addresses of inventors,
can be obtained from science reference libraries around Britain. For the
details of free public access and purchase price, contact the British Patent
Office at Concept House, Cardiff Road, Newport, Gwent NP9 1RH (Tel: 0633
813535) or the Science Reference and Information Service, 25 Southampton
Buildings, London WC2A 1AY (Tel: 071 323 7919).
More from New Scientist
Explore the latest news, articles and features
Popular articles
Trending New Scientist articles
1
Can a new class of wearable tech actively boost your mental health?
2
This mathematical trick lets you work out the weekday of any date
3
Intricate ancient tattoos revealed by shining lasers on mummies
4
The surprising relationship between your microbiome and sleeping well
5
The only four skincare ingredients that have been proven to work