The anger passed after a moment’s reflection. At the time of the deed, blueprints had probably been as common as weeds, and the owner of the box the probable culprit. He shielded the print from the sun with his own shadow while trying to unfold it further. In the lower right-hand corner was a printed rectangle containing, in simple block letters, various titles, dates, "patent numbers," reference numbers, and names. His eye traveled down the list until it encountered: "CIRCUIT DESIGN BY: Leibowitz, I. E."