Crozier-Straub, Inc. v. Graham

WOOLLEY, Circuit Judge.

These three patent suits were tried together but were decided by separate decrees dismissing the bill in each case. The plaintiffs, the same in each case, appealed. The appeals were heard together, will be considered together on the issue of validity, common to all, and considered separately on the issues of infringement, different in each.

These appeals bring here again Letters Patent No. 1,212,840 issued on January 16, 1917, to Francis J. Straub for a building block and method of making the same, known in the building trade as the “cinder block” and “Straub’s cinder…