Pelzer v. Dale Co.

SHIPMAN, Circuit Judge.

This bill in equity was brought to restrain the infringement of reissued letters patent No. 11,544, dated May 26, 1896, issued to Luther Stieringer, assignor to George Maitland, in lieu of original patent No. 294,697, dated March 4, 1884, for a combined gas and electric light fixture. Another original patent had been issued to Stieringer, dated June 6,1882, for an improvement in electrical fixtures, and had been reissued as No. 11,478, dated March 12, 1895. These two original patents were declared invalid by the circuit court for the Eastern district of Pennsylvania…