Detroit Gasket & Mfg. Co. v. Victor Mfg. & Gasket Co.

TREANOR, Circuit Judge.

This is an appeal from an interlocutory decree entered upon a finding that defendant-appellant had infringed a valid patent which had been assigned to the plaintiff-appellee. The decree ordered an accounting of profits and damages and enjoined further infringement. Defendant assigns as error here the findings of validity and infringement.

The patent in suit, No. 1,927,450, was issued to plaintiff’s assignor, Balfe, and relates to improvements in the structure of a gasket for internal combustion engines. The gaskets involved in this suit are used as cylinder head gaskets.…