Adler17
Prussian Feldmarschall
http://www.uh.edu/engines/epi1098.htm
There is a good english site about Phillip Reis. I was wrong about he had a patent. He also had none but he demonstrated his invention in front of a scientific auditorium. Also a German company produced and sold Reis telephones. I doubt they did it without a patent but I still dont´know.
Adler
P.S. I just found this site:
http://www.geocities.com/Athens/Forum/1327/0901focus.html
Meucci never showed his invention to the oublic in 1857! He only had a patent of 1871 which lapsed in 1874. So it might be that he built something like a telephone but I think Philipp Reis should get the credit, because he had witnesses who are undoubtful.
There is a good english site about Phillip Reis. I was wrong about he had a patent. He also had none but he demonstrated his invention in front of a scientific auditorium. Also a German company produced and sold Reis telephones. I doubt they did it without a patent but I still dont´know.
Adler
P.S. I just found this site:
http://www.geocities.com/Athens/Forum/1327/0901focus.html
Meucci never showed his invention to the oublic in 1857! He only had a patent of 1871 which lapsed in 1874. So it might be that he built something like a telephone but I think Philipp Reis should get the credit, because he had witnesses who are undoubtful.