Bridgeport Brass Co. v. Bostwick Laboratories, Inc.

CHASE, Circuit Judge.

This appeal is from a summary judgment dismissing a complaint, filed on February 25, 1940, charging infringement of two patents, Nos: 1,892,750 and 1,945,998, the chief commercial use of which has been in the manufacture of “aerosol bombs.” The original applications for both o'f them were filed on- November 12,. 1928; they w.ere issued on January 3, 1933 and February 6, 1934, respectively, to Erik Rotheim; and they were subsequently assigned to the appellant, the Bridgeport Brass Co. .The first, No. 1,892,750, covers both a method and an apparatus “for atomizing…