Steel & Tubes, Inc. v. S. Jackson Tube Co.

GALSTON, District Judge.

This is a patent infringement suit in which the defendant is charged with the infringement of United States letters patent No. 1,388,434, granted August 23, 1921, to G. V. Johnston, for a method and apparatus for butt welding thin gage tubing, letters' patent No. 1,435,306, granted to the same inventor for butt welded thin walled tubing, and letters patent No. 1,611, 875, to H. Belmont, December 28, 1926, for a welding apparatus.

The first two patents have been before this court and before the Circuit Court of Appeals for the Second Circuit [7 F.(2d) 827], and, the…