The Story of No. 14/241,709
It can take an inventor years to receive an official U.S. patent, usually represented by a seven-digit number. But the full story behind most patents is much longer. Peter A. Lewin and Michael S. Weingarten’s specially designed ultrasound device for treating chronic wounds has an application pending to become one of nearly 300 patents issued to Drexel faculty, and this is the story of how it came to be.