Southwestern Brush Electric Light & Power Co. v. Louisiana Electric Light Co.

Per Curtam.

The complainant has brought suit against the Louisiana Electric light Company for infringement of patent 219,208, which was granted to Charles F. Brush, September 2, 1879, for certain new and useful improvements in electric lamps; the improvements consisting in a device for burning two pairs of carbons successively in one lamp by automatically transferring the luminous arc from the pair first lighted when burned out to a second and fresh pair. The lamp, with the improvement, is known as the “Double Carbon Lamp,” and is in nearly -universal use for all-night lighting of streets and…