These short clips are formatted to load in RealPlayer. Better clips are coming soon!
Shows MagChek Premier™ proto installed on door closer.
Shows inventor's elementary testing of linked bi-checks.

US Pats & Pats Pend.: US.D395,995; US.D425,776; US.D425,399; US.5,829,098; US.5,953,789; US.6,032,331; US.6,397,431; US.6,640,387 .  Door Butler®, Door Genie™, The Red Thing™, The Jimmy Clip™, Charlie™, MagChek™, Premier™, Ultra™, Century™, Touch-O-Feather™, The Bead Goes On™, and the reddish colored hold-open tab are trademarks of R.A. Products Co. Inc.  Copyright © 1996-2004 RAPCO™ & Ricardo Alonso.  Website by RAPCO.