フランク・ザンボニー
S. #2,763,939 Title: Ice Resurfacer Date Issued: Sep 25, 1953 Country - U.S. #3,044,193 Title: Ice Resurfacer Date Issued: Jul 17, 1962 Country - U.S. #3,622,205 Title: Down Pressure Date Issued: Nov 23, 1971
製氷車関連製品 Country - U.S. #4,372,617 Title: Ice Edger Date Issued: Feb 8, 1983
アストロターフの機械 Country - U.S. #3,736,619 Title: Turf Water Remover Date Issued: Jun 5, 1973 Country - U.S. #3,835,500 Title: Turf Water Remover Date Issued: Sep 17, 1974 Country - U.S. #4,069,540 Title: Turf Paint Remover Date Issued: Jan 24, 1978 Country - U.S. #4,084,763 Title: Turf Handling Machine Date Issued: Apr 18, 1978