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 91av
Explore the latest news, articles and features
Popular articles
Trending 91av articles
1
We have figured out a new way to send messages into the past
2
Human heads have changed shape a lot in the past 100 years
3
Why the keto diet could be a revolutionary way to treat mental illness
4
Weird 'transdimensional' state of matter is neither 2D nor 3D
5
Ann Leckie continues to shine with new sci-fi novel Radiant Star
6
Simple treatment tweak drastically reduces blood loss from severe cuts
7
100-year-old assumption about the universe may soon be overturned
8
Cancer is increasing in young people and we still don't know why
9
The 4 biggest myths about hydration, according to an expert
10
The most stunning pictures from Artemis II’s flyby of the moon
