フランク・ザンボニー
初期の特許 Country - U.S. #1,655,034 Title: Adjustable Reaction Resistance (Electrical) Date Issued: Jan 3, 1928 Country - U.S. #1,710,149 Title: Reactance Coil (Electrical) Date Issued: Mar 11, 1930 Country - U.S. #1,804,852 Title: Circuit Controlling Reactance Coil (Electrical) Date Issued: May 12, 1931 Country - U.S. #2,411,919 Title: Ice Rink Floor Date Issued: Dec 3, 1946 Country - U.S. #2,594,603 Title: Refrigerated Liquid Storage Tank Date Issued: Apr 29, 1952 Country - U.S. #2,738,170 Title: Refrigerated Milk Storage Tank and Pasteurizer Date Issued: Mar 13, 1956
製氷車 Country - U.S. #2,642,679 Title: Ice Resurfacer Date Issued: Jun 23, 1953 Country - U.