{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Patent#2104971, Granted To Oliver Irving Carpenter & Benjamin Francis Moss , Assignors to General Electric Limited (Coventry, England) for an Alleged New & Useful Improvement in Telephone Systems: Patent Certificate Dated January 11, 1938","author_name":"United States Patent Office","thumbnail_url":"https://www.ebooknetworking.net/books/B00/80I/bigB0080IT23A.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0080IT23A.html\">Patent#2104971, Granted To Oliver Irving Carpenter &amp; Benjamin Francis Moss , Assignors to General Electric Limited (Coventry, England) for an Alleged New &amp; Useful Improvement in Telephone Systems: Patent Certificate Dated January 11, 1938</a>","width":400,"height":300}