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
We've found a mysterious substance on Titan and Pluto
2
The secrets to keeping your brain sharp in old age
3
Has the answer to life's origins been hiding in our cells all along?
4
Can prebiotics, probiotics or postbiotics help your ageing microbiome?
5
Remarkable fossils rewrite the story of how animals conquered the land
6
A quantum state that lasts forever may finally be within our grasp
7
Autism may have two distinct subtypes that vary by brain activity
8
What is a ‘normal’ memory slowdown, and when should I worry?
9
Fully autonomous drones have killed human soldiers for the first time
10
The social media ban is an experiment – here’s how it will be studied
