"No, only the same trouble about the patent," she said. "There is nothing new, but your father thinks from the recent actions of Mr. Benjamin that the manager suspects something. Your father is getting some papers ready to go to Washington, and I was looking them over for him. I used to work in a lawyer's office when I was a girl," she went on with a smile, "and I know a little about the patent business so I thought I would help your father if I could."