"The Doorman" Season 6, Episode 17

Elaine house-sits for Mr. Pitt and when Jerry tries to visit her he offends the doorman. So on another visit he agrees to watch the door while the doorman goes out. But when Jerry leaves his post, the lobby couch is stolen, and Jerry is held responsible. George offers to give Jerry back the the pee-stained couch Poppy sat on so that his father won't have a place to sleep. Kramer and Mr. Costanza work on a patent for the male bra, but can't decide on the name: Bro or Manzier.