Copies of patents, which contain fuller details and the addresses of
inventors, are available from science reference libraries around Britain.
For details of free public access and purchase price, contact the London
Patent Office at State House, 66-71 High Holborn, London WC1R
4TP (Tel 071-831 2525) or Science Reference and Information Service at 25
Southampton Buildings, London WC2A 1AY (Tel 071-323 7919).
More from Â鶹´«Ã½
Explore the latest news, articles and features
Popular articles
Trending Â鶹´«Ã½ articles
1
Are Neanderthals descendants of modern humans?
2
Is a super El Niño imminent, and what could the impacts be?
3
Hospital-acquired pneumonia reduced by daily toothbrushing
4
The biggest threat to Chernobyl is no longer radiation
5
The man who crawls into the perilous heart of the Chernobyl reactor
6
The rise, the fall and the rebound of cyclic cosmology
7
Why is it so hard to change your mind?
8
Collapse of key ocean current may release billions of tonnes of carbon
9
We might finally know how to use quantum computers to boost AI
10
A key solution to climate change isn't happening – and that's good
