BUFFINGTON, Circuit Judge.
This case concerns certain claims of three glass apparatus patents granted to Lubbers, Nos. 886,618, 914,588, and 1,020,920, all of which claims, with the exception of claim No. 5 of the first, were before this court in litigation herein referred to. Nos. 886,618 and 1,020,920 relate to the automatic venting of pulsations which have their pulse origin within the cylinder. No. 914,588 concerns the offcenter adjustment of the bait and molten...
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