Inventor

LEONARD VURNEN J

US5 patents

Patents

5 patents

US4885652ADec 5, 1989

Disk cartridge

MINNESOTA MINING & MFG47 citations91

USD307893SMay 15, 1990

Magnetic recording disk cartridge

MINNESOTA MINING & MFG41 citations89

US4879621ANov 7, 1989

Disk restraint

MINNESOTA MINING & MFG17 citations73

US4631609ADec 23, 1986

Stretched surface recording disk substrate

MINNESOTA MINING & MFG14 citations72

US4843512AJun 27, 1989

Recording disk centering hub

MINNESOTA MINING & MFG3 citations58