Wolowitz v. Gulf Oil Corp.

OPINION

JACKSON, District Judge.

This is a consolidated suit for alleged infringement of Wolowitz United States patent No. 2,582,187, granted January *1018, 1952, for “Printing Machine for Duplicating Indicia.” The accused machine is the familiar Addressograph Model 12-55 Data Recorder, which is manufactured by defendant Addressograph and leased to defendants Gulf and Humble for use in their gasoline service stations in conjunction with embossed customer credit cards for recording data pertaining to retail credit sales on a combination sales invoice and tabulating card, the latter to be prepared in…