Certiorari Denied June 16, 1969. See 89 S.Ct. 2103.
BUTZNER, Circuit Judge:
This appeal is taken from the district court's ruling that two patents, D-171,963 for design and 2,905,445 for a mechanical device, owned by Blumcraft of Pittsburgh were valid and infringed by railings produced by Architectural Art Manufacturing Co.
I.
Blumcraft's design...
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