U.S. patent 5465443: Swimming pool cleaner discs and assemblies. Granted to Rice et. al. (5 total) on 1995-11-14 (filed 1994-11-04) and assigned to Zarina Holdings C.V.. Currently involved in at least 1 patent litigation: Zodiac Pool Systems, Inc. v. Fibropool Co. LLC (California). See http://news.priorsmart.com for more info.
↧