. Western electrician . the passengers were contained the Flatbush mail. zd WESTERN ELECTRICIAN. January 19, 1S95 Thomson-Houston Regulator Patent De-clared Void. On Monday; January i4t]i, Judge Grosscup lianded downliis decision in the case of the Thonison-Houston Electriccompany against the Western Electric company. This liti-gation grew out of an alleged infringement by the defend-ant of the regulator patent granted March i, iSSi, to ElihuThomson and Edwin J. Houston and transferred by them electro-magnet, or the resistance of the spring was thestronger force, and in accordance th
. Western electrician . the passengers were contained the Flatbush mail. zd WESTERN ELECTRICIAN. January 19, 1S95 Thomson-Houston Regulator Patent De-clared Void. On Monday; January i4t]i, Judge Grosscup lianded downliis decision in the case of the Thonison-Houston Electriccompany against the Western Electric company. This liti-gation grew out of an alleged infringement by the defend-ant of the regulator patent granted March i, iSSi, to ElihuThomson and Edwin J. Houston and transferred by them electro-magnet, or the resistance of the spring was thestronger force, and in accordance therewith rocked themovable armature upward and downward; and by meansof connecting devices likewise ro-ked the yoke, to whichthe brushes were attached, backward and forward. Theintermediate motor device is not a part of the inventionclaimed and therefore may be dropped from view. The claims of the patentees are for a combination andare expressed in the following terms: i. In_a current-regulator for a dynamo-electric FIG. 2. CHICAGO GENERAL RAILWAY COMPANYS PLANT.—VESTIBULED ELECTRIC TRAIN. to the complainant. Judge Grosscup disapproves the opin-ion of Judge Colt of Boston and declares the patent of thecomplainant company void. The complainant was repre-sented by R. S. Taylor, F. P. Fish, George R. Blodgettand Offield, Towle & Linthicum, while Barton & Brownappeared for the defendant. Following is a certified copyof the opinion, which was handed down in the United StatesCircuit Court, Northern District of Illinois. This is a suit for infringement of patent No. 238,315,granted to Elihu Thomson and Edwin J. Houston, MarchI, 1S81, for current-regulator for dynamo-electric ma-chines. The object of the invention is to control the operation of adynamo-electric machine in such manner that the constantand unvarying strength of current shall be maintained in itscircuit, notwithstanding changes of load occurring from va-riations in the number of lamps, or other devices actuatedby it
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