Inventor

SCHOBERG CARL J

US5 patents

Patents

5 patents

US4921270AMay 1, 1990

Convertible hand truck

LIBERTY DIVERSIFIED IND78 citations93

US4756429AJul 12, 1988

Carousel data holder

LIBERTY DIVERSIFIED IND37 citations91

US4893824AJan 16, 1990

Hand truck for file cabinets

LIBERTY DIVERSIFIED IND26 citations87

US4790434ADec 13, 1988

Data cartridge storage and handling system

LIBERTY DIVERSIFIED IND21 citations81

US4770383ASep 13, 1988

Multi-purpose open top support base

LIBERTY DIVERSIFIED IND4 citations60