These details and drawings of patents granted in the United States are taken, by permission of the Department of Commerce, from the ‘Official Gazette of the United States Patent Office’. Printed copies of the full specifications can be obtained, price 25 cents each, from the Commissioner of Patents, Washington, D.C., U.S.A. They are usually available for inspection at the British Patent Office, Southampton Buildings, Chancery Lane, London, W.C.2.
U.S. Patent Specifications
Aircraft Engineering and Aerospace Technology ; 29 , 7 ; 226
1957-07-01
1 pages
Article (Journal)
Electronic Resource
English
Emerald Group Publishing | 1959
Emerald Group Publishing | 1959
Emerald Group Publishing | 1959
Emerald Group Publishing | 1958
Emerald Group Publishing | 1956