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| Keywords: Thaddeus Cahill Telharmonium patent us000580035-012.png Telharmonium patent us000580035-011 page 12 of 55 by Thaddeus Cahill dated April 6 1897 applied February 4 1896 Source http //patimg1 uspto gov/ piw docid US000580035 SectionNum 1 IDKey C5641E267BE3 HomeUrl http //patft uspto gov/netacgi/nph-Parser Sect1 PTO2 2526Sect2 HITOFF 2526p 1 2526u 25252Fnetahtml 25252FPTO 25252Fsearch-bool html 2526r 1 2526f G 2526l 50 2526co1 AND 2526d PALL 2526s1 0580 035 PN 2526OS PN/0580 035 2526RS PN/0580 035 US Patent Office 1897-04-06 Creator Thaddeus Cahill PD-old PD-US-patent Thaddeus Cahill Telharmonium Patents from the United States US580035A Thaddeus Cahill, Telharmonium patent p.12.png Telharmonium patent us000580035-011 page 12 of 55 by Thaddeus Cahill dated April 6 1897 applied February 4 1896 Source http //patimg1 uspto gov/ piw docid US000580035 SectionNum 1 IDKey C5641E267BE3 HomeUrl http //patft uspto gov/netacgi/nph-Parser Sect1 PTO2 2526Sect2 HITOFF 2526p 1 2526u 25252Fnetahtml 25252FPTO 25252Fsearch-bool html 2526r 1 2526f G 2526l 50 2526co1 AND 2526d PALL 2526s1 0580 035 PN 2526OS PN/0580 035 2526RS PN/0580 035 US Patent Office 1897-04-06 Creator Thaddeus Cahill PD-old PD-US-patent Thaddeus Cahill Telharmonium US580035A Thaddeus Cahill Telharmonium patent Patents from the United States | ||||
