Chopping boards for kitchen use; Insulating sleeve holder for beverage cups; Acid-proof wash brushes used for the application of acid to vehicles for cleaning purposes; All purpose portable household containers; Aluminum water bottles sold empty; Animal litter pans; Apparatus for cleaning musical instrument strings comprised of a two-sided hinged device internally coated with microfiber that closes on strings and is moved manually up and down neck of instrument; Apparatus for cleaning teeth a...