Inventor · disambiguated record
Vurnen J. Leonard
Also filed as: LEONARD VURNEN · LEONARD VURNEN J
6 granted patents·122 citations·filing 1984–1988
83Inventor score
Technology areasG11B
Files withMINNESOTA MINING & MFG6
Top patents by PatentIndex Score
6 records- 0190USD307893SMagnetic recording disk cartridgeMINNESOTA MINING & MFG·Filed 1988·Granted May 15, 1990·41 cites·1 claims
- 0290US4885652ADisk cartridgeMINNESOTA MINING & MFG·Filed 1988·Granted Dec 5, 1989·47 cites·6 claims
- 0371US4879621ADisk restraintMINNESOTA MINING & MFG·Filed 1988·Granted Nov 7, 1989·17 cites·13 claims
- 0467US4631609AStretched surface recording disk substrateMINNESOTA MINING & MFG·Filed 1984·Granted Dec 23, 1986·14 cites·7 claims
- 0534US4843512ARecording disk centering hubMINNESOTA MINING & MFG·Filed 1987·Granted Jun 27, 1989·3 cites·24 claims
- 0627US4875128ADisc cartridgeMINNESOTA MINING & MFG·Filed 1988·Granted Oct 17, 1989·0 cites·5 claims
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