 | 1902 - 730 sider
...Communications strictly confidential. Handbook on Patents sent free. Orient agency for securing patents. Patent* taken through Munn & Co. receive special notice, without charge. In the Scientific Hmericam A handsomely Illustrated weekly. Lnrgest circulation of any scientific journal.... | |
 | 1914 - 496 sider
...SCHOOL PUBLISHING Co. Bloomlngton, Illinois OVER 65 YEARSEXPERIENCE TRADE MARKS DESIGNS COPYRIGHTS Ac. Anyone sending a sketch and description may quickly...free whether an Invention is probably patentable. Commiinioa. tlonsstrlctlyconlldentlal. HANDBOOK on Patenta sent free. Oldest anoncy for securing patents.... | |
 | 1904 - 1108 sider
...HBWILLSON&CO. & 781 F Street North. WASHINGTON, D. 60 YEARS' EXPERIENCE TRADE MARK* DESIGNS COPYRIGHTS Ac. Anyone sending a sketch and description may quickly...free whether an Invention Is probably patentable. Comixmnloa* UOBS strictly confidential. HANDBOOK on Patent* sent free. Oldest agency for securingjMtents.... | |
 | 1898 - 734 sider
...of the Examining Corps of US Paient Office. 6O YEARS' EXPERIENCE TRADE MARKS DESIGNS COPYRIGHTS Ac. Anyone sending a sketch and description may quickly...Invention Is probably patentable. Communications strictly conn dentfal. Handbook on Patente sent free. Oldest nirency for securing patents. Patents taken through... | |
 | 1899 - 828 sider
...thf poorest __ _ The Carter's Ink Co 50 YEARS' EXPERIENCE TRADE MARKS DESIGNS .... COPYRIGHTS «bc Anyone sending a sketch and description may quickly ascertain our opinion free whether an invention ie probably patentable. Communications strictly confidential. Handbook on Patents sent free. Oldest... | |
 | 1914 - 812 sider
...teacher and recommtndsyou that is more. Ours OVER 66 YEARS EXPERIENCE TRADE MARKS DESIGNS COPYRIGHTS Ac Anyone sending a sketch and description may quickly ascertain our opinion free whether an tloneflirictly confidential. HANDBOOK on Patcuta tent Tree. Oldest agency foreecurinff patenta. Invention... | |
 | 1916 - 736 sider
...SPRINGFIELD, MASS. tlons strictly conilden OVER 65 YEARS' EXPERIENCE TRADE MARKS DESIGNS COPYRIGHTS &c. Anyone sending a sketch and description may quickly ascertain our opinion free whether UN Invention Is probably palentuble. Conimunlca" lentlal. f sent free. Oldest agency for securing patents.... | |
 | 1913 - 794 sider
...ASSOCIATION, SPRINGFIELD, MASS. OVER 66 YEARS' EXPERIENCE TRADE MARKS DESIGNS COPYRIGHTS Ac. Anyone trending a sketch and description may quickly ascertain our opinion free whether an Invention 18 probably piuentuble. Communications Htrlcllyconndentlal. HANDBOOK onl'atenti sent free. Oldest agency... | |
 | 1915 - 720 sider
...MASS. Springfield, Mas* OVER 65 YEARS' EXPERIENCE TRADE MARKS DESIGNS COPYRIGHTS Ac. Anyone (tending a sketch and description may quickly ascertain our opinion free whether an Invention IB probably pntentable. Communication! utrlctlr confidential. HANDBOOK onPatenti Bent free. Oldest... | |
 | 1898 - 556 sider
...WHITE SEWING MACHINE Co., ; « CLEVELAND. 0. 5O YEARS' 1 EXPERIENCE TRADE MARKS DESIGNS COPYRIGHTS &c. Anyone sending a sketch and description may quickly ascertain our opinion free whether ян Invention Is probably patent-able. ComraunicAtlons strictly confidential. Handbook on t'a! en... | |
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5O YEARS' EXPERIENCE TRADE MARKS DESIGNS COPYRIGHTS &c. Patents taken through Munn & Co. receive special notice, without charge, in the Anyone sending a sketch and description may quickly ascertain our opinion free whether an invention is probably patentable.... 
