 | United States. Patent Office - 1853 - 504 lapas
...invention, or at least embracing no very considerable inventive powers, and of which hundreds go out from the Patent Office every year. Experience shows that...profitable patents are those which contain very little real invention, aud are to a superficial observe/ of little value. These by multiplication cause numbers... | |
 | William Phillips Thompson - 1874 - 66 lapas
...about fifteen months for sixty thousand dollars " (£12,000.) A third obtained a patent for printer's " ink, and refused fifty thousand dollars, and finally...arts. Almost all the principal manufacturing firms who have risen and become eminent during the last fifty years, date their prosperity from some occasion,... | |
 | Franklin Allison Cresee - 1902 - 154 lapas
...minor inventions embracing no very considerable inventive powers and of which hundreds go out from the Patent Office every year. Experience shows that...profitable patents are those which contain very little real invention, and are to a superficial observer of little value." Under the writer's personal observation... | |
 | 998 lapas
...invention, or at least embracing no very considerable inventive powers, and of which hundreds go out from the Patent Office every year. Experience shows that...profitable patents are those which contain very little real invention, and are to a superficial observer of little value. These by multiplication cause number!... | |
 | 1852 - 526 lapas
...invention, or at least embracing no very considerable inventive powers, and of which hundreds go out from the Patent Office every year. Experience shows that...profitable patents are those which contain very little real invention, and are to a superficial observer of little value. These by multiplication cause numbers... | |
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... the Patent Office every year. Experience shows that the most profitable patents are those which contain very little invention, and are to a superficial observer of little 