393. Rights in employees' inventions.

Where the rights in an invention1 made by an employee2 have not been dealt with by agreement3, then, subject to certain conditions as to the place of his employment4, and notwithstanding anything in any rule of law5, an invention made by an employee is taken, as between him and his employer6, to belong to his employer for all purposes7 if:

  1.  

    (1)     it was made in the course of the normal duties of the employee or in the course of duties falling outside his normal duties, but specifically assigned to him, and the circumstances in either case were such that