DOOLING, District Judge.
Plaintiff has sued for a declaratory judgment that its light-dimming devices do not infringe defendant's Slater patent Reissue 26,119 and that the patent is invalid. Defendant counterclaims for infringement.
It is concluded that the patent is invalid so far as concerns claims 1, 2, 8 and 9, and if the said claims were valid, there would be infringement only by plaintiff's Model No. 671.
The ordinary domestic wall switch used...
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