Show CHANCE FOR FEDERAL JUDGES Edison Would Have Them Find Some Obvious Solutions The federal courts have several times Invalidated Edisons patents on tho ground that the Improvements made by hla devices were obvious solutions of the mechanical problems and therefore not patcntablc As In many problems that require hard study tie solutions did seem obvious enough afterward Not long ago Mr Edison was irylng to work out a new piece of mechanism It seemed a simple sim-ple enough problem when ho began It but It proved to bo extremely difficult After several days exasperatingly futile fu-tile work his attorney happened to ask him how It was coming along No good yet replied Mr Edison But of course the thing Is perfectly obvious ob-vious I wish youd bring a committee ot thoso federal judges down hero that I aro always saying that If this thing Is so almighty obvious perhaps they can tell me how to make It |