US Patent # 200521

Posted by: jcc on 19 February 2002

This patent was issued 19 February 1878 to Thomas Alva Edison for the 'phonograph or speaking machine'.

British Patent No. 1644 was dated 24 April 1878.

Cheers to Tom,

jim cash

Posted on: 19 February 2002 by dave simpson

So he's the one responsible for delaying my cds' development...