76344288
Nov 29, 2001
May 25, 2004
CONTROL ATTACHMENT USED WITH AN ELECTRIC CENTRAL VACUUM CLEANING APPARATUS WHICH IS BUILT INTO A STRUCTURE SUCH AS A HOME OR COMMERCIAL BUILDING WHICH PERMITS THE CENTRAL VACUUM CLEANING UNIT TO BE AUTOMATICALLY TURNED ON AND OFF FROM THE REMOTE HANDLE OF THE VACUUM CLEANER WHICH IS ATTACHED TO THE HOSE
Electrical and Scientific Apparatus