Noah Haynes Swayne

“ It is difficult to convey clear ideas of complex machinery by any description that can be given. Drawings are more effectual, and models are still more so. If the model be full and accurate, it is, indeed, the thing itself in miniature. ”

“ They operate on different principles. The former makes from one hundred to three hundred revolutions per minute; the latter, from three thousand to six thousand in the same time. The appellees are the original inventors of the rotary blower. Such is their proof, and there is none to the contrary. Its value in the useful arts is evinced by its tested capabilities, and the ardor of this litigation. No patent of the appellees is in any wise involved in this controversy but the one we have analyzed.
The appellant has a patent also. ”

“ The concave arcs are reduced to less than half a circle, and so provide at the air entrance a space sufficient to permit the introduction or withdrawal of the pistons without disturbing the case. The introduction of the sweep, and its necessary operation upon the plastic material, are, also, thus provided for. The air entrance, which is bounded by the ends of the arcs and the end-plates, permits the lining to be renewed at pleasure. ”

“ The other original patent and the reissue are for improvements in cases for rotary blowers.
The bill charges infringement, and prays for an injunction and a decree for profits and damages. The answer denies the novelty of the alleged invention; denies that the reissue is for the same thing as the original patent; denies that the complainants were joint inventors, if inventors at all ”