 | Newton Horace Winchell - 1899 - 448 pages
...detailed maps of the coal, petroleum, and natural gas areas. MARKS DESIGNS COPYRIGHTS &c. Anyone sending a sketch and description may quickly ascertain our opinion free whether an invention is probably pntentable. Communications strictly confidential. Handbook on Patent* sent free. Oldest agency for... | |
 | Solomon Claiborne Martin, Clarence Martin - 1899 - 68 pages
...1f» Union Square, NEW VOKK' 50 YEARS' EXPERIENCE TRADE MARKS DESIGNS COPYRIGHTS &c. Anyone sending a sketch and description may quickly ascertain our opinion free whether an Invention la probably putentable. Communiont'.ona Btrlclly confldentlal. Handbook on Patents sent free. Oldest... | |
 | 1899 - 360 pages
...address FE MARCY, Lawrence, Kan. 5O YEARS' ' TRADE MARKS DESIGNS ... COPYRIGHTS &c. Anyone sending a sketch and description may quickly ascertain our opinion free whether an Invention 18 probably patentable. Communications strictly confidential. Handbook on Patents sent free. Oldest... | |
 | 1899 - 346 pages
...American Blessing Co, BUFFALO. NY 50 YEARS' EXPERIENCE TRADE MARKS DESIGNS COPYRIGHTS &c. Anyone sending a sketch and description may quickly ascertain our opinion free whether an invention ts probably putentable. Communications flt rlctly confidential. Handbook on Patenta sent free. Oldest... | |
 | 1904 - 496 pages
...Good* Catalogue. Ifl free. BO YEARS' EXPERIENCE TRADE MARKS DESIGNS .... COPYRIGHTS Ac. Anrono sending a sketch and description may quickly ascertain our opinion free whether an invent Ion !• probably putentable. Communications strictly confidential. HANDBOOK on Patent* Bent... | |
 | 1900 - 704 pages
...DAVID HORKMAN, Lawrence, Kan. SO YEARSEXPERIENCE TRADE MARKS DESIGNS COPYRIGHTS &c. Anyone lending a sketch and description may quickly ascertain our...Invention Is probably patentable. Communications strictly confldentlal. Handbook on Patente Bent free. Oldest aeenry for securing patents. Patents taken through... | |
 | 1900 - 736 pages
...H Dad Chemical Co. New York 50 YEARS' EXPERIENCE TRADE MARKS DESIGNS COPYRIGHTS &c. Anyone sending a sketch and description may quickly ascertain our...an invention is probably patentable. Communications strictlyconllUeiitiul. Handbook on Patents sent free, oldest fluency for securing patents. Patents... | |
 | Henry Harrison Metcalf, John Norris McClintock - 1900 - 400 pages
...and Depot Sis., Concord, NH SO YEARS' EXPERIENCE TRADE MARKS DESIGNS COPYRIGHTS &c. Anyone sending a sketch and description may quickly ascertain our opinion free whether an invention is probably putentable. Communications strictly confidential. Handbook on Patents sent free. Oldest agency for... | |
 | Frederick Albert Richardson - 1903 - 460 pages
...Chicago, III. fie .rn1i stamp for booklet. 5O YEARS' TRADE MARKS DESIGNS COPYRIGHTS Ac. Anyone sendtac a sketch and description may quickly ascertain our opinion free whether an invention Is probably pntentable. Communio** Nona atrlctly confidential. HANDBOOK on Patet_ , sent free. Oldest agency for... | |
 | Roady Kenehan - 1910 - 588 pages
...119 West 72nd Street, Chicago 6O YEARS' EXPERIENCE TRADE MARKS DESIGNS COPYRIGHTS AC Anyone sending a sketch and description may quickly ascertain our opinion free whether an invention Is probably patentnhle, Communications strictly comldentlal. HANDBOOK on PatenU sent free, Oldest agency for socuring... | |
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Anyone sending a sketch and description may quickly ascertain our opinion free whether an invention is probably patentable. 
