...tastes, or for curiosity, or for amusement, the interests of the patentee are not antagonized, the sole effect being of an intellectual character in the promotion...employer's knowledge or the relaxation afforded to his mind.1 But if the products of the experiment are sold, or used for the convenience of the experimentor,...

...the experiment are sold, or used Cor the convenience of the exper imcntor, or it the experiments arc conducted with a. view to the adaptation of the invention to the e-xper iir.entot ' s business, the acts of making or of use are violations of the rights of the inventor...