Harlan F. Stone

“ As has been many times pointed out, the means adopted by Congress of promoting the progress of science and the arts is the limited grant of the patent monopoly in return for the full disclosure of the patented invention and its dedication to the public on the expiration of the patent. ”

“ Petitioner, pointing to the logical embarrassment in applying a doctrine which forbids the assignor to deny validity of the patented invention for want of novelty, but nevertheless allows him to narrow its scope by reference to the prior art in order to save his accused device from infringement, insists that the court below has resorted to the prior art, not for the purpose of narrowing the claims and distinguishing from the prior art something which the assignor invented, but for the purpose of destroying the claims because anticipated. ”

“ Formica Co., 266 U.S. 342, 349, 45 S.Ct. 117, 119, 69 L.Ed. 316, is 'that an assignor of a patent rent is estopped to attack the utility, novelty or validity of a patented invention which he has assigned or granted as against any one claiming the right under his assignment or grant. As to the rest of the world, the patent may have no efficacy and create no right of monopoly; but the assignor can not be heard to question the right of his assignee to exclude him from its use. ”

“ The box thus equipped with the cutting edge of the strip is useful as a dispensing container for rolled wax paper which, as drawn from the roll, may be cut in any desired lengths by drawing it across the cutting edge at an angle with the plane of the cutter. ”