A federal jury in Delaware awarded Apple Inc. $250 on Friday, finding the original designs of Masimo Corp.'s smartwatches infringed Apple Watch design patents, setting the stage for a potential injunction trial.The jury’s mixed verdict marks the latest chapter of a long-running clash over smartwatch patents pitting Apple, a tech giant worth more than $3.5 trillion, against Masimo valued at $7.5 billion. The dispute led to an import ban of certain Apple Watch models on Christmas Day last year, th...