J. A. Migel, Inc. v. Bachofen

The opinion of the court was delivered by

Gummere, Chief-Justice.

The bill in this ease was filed to enforce a contract for the assignment of certain patent rights covered bjr letters issued by the United States patent office to the defendant, Bachofen. The patented invention was an appliance to be used in the manufacture of silk fabric, its purpose being to produce a velvety appearance on the face thereof. .

At the time the contract was entered into' the defendant was an assistant superintendent in the plaintiff’s silk fabric factory and had charge of experiments looking to' the creation of…