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 British
Patent Office at Concept House, Cardiff Road, Newport, Gwent NP9 1RH (Tel
0633 813535) or Science Reference and Information Service at 25 Southampton
Buildings, London WC2A 1AY (Tel 071-323 7919).
More from New Scientist
Explore the latest news, articles and features

ÎçÒ¹¸£Àû1000¼¯ºÏ
CAR T-cell therapy bolstered by stiffening up cancer cells first
News

Mind
Where do you think your ‘self’ is? Your answer is revealing
Comment

Mind
Vocal fry is more common in men, actually, find scientists
News

Environment
Will burying dead trees after a wildfire keep their carbon locked up?
News
Popular articles
Trending New Scientist articles
1
Why autism pioneer Uta Frith wants to dismantle the spectrum
2
Rebooting stem cells builds aged muscles and assists injury recovery
3
Asteroid set to fly very close to Earth
4
PCOS has been officially renamed PMOS, and it’s a momentous move
5
Neanderthals treated a dental cavity by drilling into the tooth
6
Vocal fry is more common in men, actually, find scientists
7
3 things you need to know about quantum computers, from an expert
8
Why do particle physicists like spending time in fields?
9
What if the idea of the autism spectrum is completely wrong?
10
Is consciousness more fundamental to reality than quantum physics?