Input and feedback Patent Granted to Linden Lab

William Slawski found a granted patent to Linden Lab. It was originally filed in 2000, but wasn’t granted until October, 2006: Input and feedback system, Invented by Philip Rosedale, Assigned to Linden Research, Inc. "An input and feedback system for use with simulator devices immobilizes a portion of the user’s body using a securement device which holds the immobilized portion in a fixed position."  More here.