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Potts Vs. Creager
Cites for this judgment
- US Supreme Court
- Jan 07, 1895
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U.S. 597 (1895) U.S. Supreme Court Potts v. CreagerSearch
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U.S. 597 (1895) Potts v. CreagerSearch
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Court has denied invention to one who applied the principle of an ice-cream freezer to the preservation of fish, Brown v. PiperSearch
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of a refrigerator in such manner as to utilize the descending instead of the ascending current of cold air, Roberts v. RyerSearch
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old and well known method of attaching car trucks to the forward truck of a locomotive engine, Pennsylvania Railroad v. LocomotiveSearch
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and to still another who placed a dredging screw at the stem instead of the stern of a steamboat, Atlantic Works v. BradySearch
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U. S. 192 . In Tucker v. SpaldingSearch
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Rue, 139 U. S. 601 . So also, in Crane v. PriceSearch
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of iron at a less expense, although bituminous coal had been previously used for the same purpose. See also Steiner v. HealdSearch
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may be safely trusted to see what ought to be apparent to everyone. As was said by Mr. Justice Bradley in Loom Company v. HigginsSearch
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of material for the more perfect accomplishment of the same work, it would, within the familiar cases of Hotchkiss v. GreenwoodSearch
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How. 248, Hicks v. KelseySearch
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Wall. 670, Terhune v. PhillipsSearch
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U. S. 592 , and Brown v. DistrictSearch
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had been employed. Under such circumstances, we have repeatedly held that a change of material was invention. Smith v. GoodyearSearch
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Goodyear Dental Vulcanite Co. v. DavisSearch
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thereafter defendants themselves obtained a patent upon a machine of their own to accomplish it. As we said in Smith v. GoodyearSearch
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Dental Vulcanite Co., 93 U. S. 486 , and Magowan v. NewSearch
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U.S. Supreme Court Potts v. CreagerSearch
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Brown v. PiperSearch
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Pennsylvania Railroad v. LocomotiveSearch
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In Tucker v. SpaldingSearch
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Crane v. PriceSearch
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Steiner v. HealdSearch
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of Hotchkiss v. GreenwoodSearch
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and Brown v. DistrictSearch
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Smith v. GoodyearSearch
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and Magowan v. NewSearch
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