Senior officials of the United States Patent and Trademark Office will be available live online Wednesday, September 16, 2009 from 2 to 3 p.m. (ET).uspto_seal They will be answering questions and offering tips for independent inventors. Instructions for taking part in the online chat will be posted on the home page of the USPTO Web site at 10 a.m. (ET) Wednesday. Inventors can begin logging on for the chat at 1:30 p.m. Visit www.uspto.gov