Inventor · disambiguated record
James J. Wulfing
Also filed as: WULFING JAMES J
11 granted patents·89 citations·filing 1983–1995
90Inventor score
Technology areasG11B
Top patents by PatentIndex Score
11 records- 0171US4520969AVideocassette tape spool having a wear buttonMINNESOTA MINING & MFG·Filed 1983·Granted Jun 4, 1985·16 cites·8 claims
- 0262US4472753ABraking mechanism for cassette tape reelMINNESOTA MINING & MFG·Filed 1983·Granted Sep 18, 1984·11 cites·9 claims
- 0361US4752046AVideocassette tape spool having a wear buttonMINNESOTA MINING & MFG·Filed 1986·Granted Jun 21, 1988·13 cites·2 claims
- 0461US4515323ATape spoolMINNESOTA MINING & MFG·Filed 1983·Granted May 7, 1985·11 cites·12 claims
- 0557US4527755AHinged visor-type door for tape cassetteMINNESOTA MINING & MFG·Filed 1983·Granted Jul 9, 1985·9 cites·9 claims
- 0652US5812351ARaised-region having sloped edges under cleaning fabric in flexible magnetic recording diskette cartridge cover shellIMATION CORP·Filed 1995·Granted Sep 22, 1998·11 cites·23 claims
- 0740US5748419AWrite protect mechanism with spring element for data storage diskette and fabrication methodIMATION CORP·Filed 1995·Granted May 5, 1998·7 cites·21 claims
- 0837US4515330ATape roller for a tape cassetteMINNESOTA MINING & MFG·Filed 1983·Granted May 7, 1985·3 cites·7 claims
- 0932USD369791SFront face of a write-protect latch on a disk cartridgeMINNESOTA MINING & MFG·Filed 1994·Granted May 14, 1996·3 cites·1 claims
- 1032US5189586ALanced shutter tab for disk cartridgesMINNESOTA MINING & MFG·Filed 1991·Granted Feb 23, 1993·4 cites·16 claims
- 1131US5640298ARecording disc cartridge having centrally-located, integral, raised wear surfaceIMATION CORP·Filed 1995·Granted Jun 17, 1997·1 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →