Keywords: US Patent 72x Eli Whitney cotton gin.png X-Patent Cotton Gin Eli Whitney http //patimg2 uspto gov/ piw Docid X0000072 homeurl http 3A 2F 2Fpatft uspto gov 2Fnetacgi 2Fnph-Parser 3FSect1 3DPTO2 2526Sect2 3DHITOFF 2526u 3D 2Fnetahtml 2Fsearch-adv htm 2526r 3D1985 2526f 3DG 2526l 3D50 2526d 3DPALL 2526s1 3DWKU-X 2526p 3D40 2526OS 3DPN 2FX 2526RS 3DPN 2FX PageNum Rtype SectionNum idkey F367F443A197 PD-USGov Usc Wikipedia upload log page history wikitable link date/time username edit summary ---- http //en wikipedia org/w/index php title Image US_Patent_72x_Eli_Whitney_cotton_gin png redirect no oldid 16685782 05 02 6 November 2007 w en User Jayvdb ---- http //en wikipedia org/w/index php title Image US_Patent_72x_Eli_Whitney_cotton_gin png redirect no oldid 16685782 20 16 5 October 2004 w en User BrokenSegue ---- http //en wikipedia org/w/index php title Image US_Patent_72x_Eli_Whitney_cotton_gin png redirect no oldid 6363229 08 57 10 August 2004 w en User Duk ---- http //en wikipedia org/w/index php title Image US_Patent_72x_Eli_Whitney_cotton_gin png redirect no oldid 5116875 08 56 10 August 2004 w en User Duk <nowiki> X-Patent Cotton Gin Eli Whitney </nowiki> Cotton gins Patent models |