Inventor · disambiguated record
Joseph F. Fritsch
Also filed as: FRITSCH JOSEPH F · FRITSCH JOSEPH FREDERICK
17 granted patents·1 pending application·215 citations·filing 1984–2006
94Inventor score
Files withRYAN PLASTICS IRELAND4FRITSCH JOSEPH F3FRITSCH JOSEPH FREDERICK2FRITSCH ROXANNE YVONNE2FRITSCH ROXANNE Y1
Top patents by PatentIndex Score
18 records- 0177US6099388AMethod and apparatus for repairing a damaged compact discFiled 1997·Granted Aug 8, 2000·34 cites·20 claims
- 0272US4662025ACleaning deviceFRITSCH ROXANNE YVONNE·Filed 1986·Granted May 5, 1987·18 cites·19 claims
- 0370US6028830ACleaning device and cleaning methodFiled 1996·Granted Feb 22, 2000·24 cites·36 claims
- 0468US4761700AVideo cleaning deviceFRITSCH ROXANNE Y·Filed 1986·Granted Aug 2, 1988·18 cites·16 claims
- 0568US4698712ACleaning deviceFRITSCH ROXANNE YVONNE·Filed 1986·Granted Oct 6, 1987·17 cites·18 claims
- 0665US4622617ACleaning apparatus for a disc driveRYAN PLASTICS IRELAND·Filed 1984·Granted Nov 11, 1986·12 cites·7 claims
- 0762US4868700ACleaning device for disc drive unitFRITSCH JOSEPH F·Filed 1987·Granted Sep 19, 1989·13 cites·13 claims
- 0861US5309307ATimer controlled device for cleaning a moving head and/or a drum of a playback and/or recording unitFRITSCH JOSEPH F·Filed 1993·Granted May 3, 1994·14 cites·29 claims
- 0959US6801394B2Cleaning device for treating the video head and/or rotating drum of a video recorder and/or playback unitFiled 2001·Granted Oct 5, 2004·4 cites·20 claims
- 1058US4941065AApparatus for cleaning a video player/recorderRYAN PLASTICS IRELAND·Filed 1985·Granted Jul 10, 1990·11 cites·23 claims
- 1157US4916564ACleaning apparatus for a disc driveRYAN PLASTICS IRELAND·Filed 1988·Granted Apr 10, 1990·10 cites·6 claims
- 1255US5864348ACleaning device and a method for cleaning an ink jet printing headFiled 1995·Granted Jan 26, 1999·16 cites·19 claims
- 1349US6028751ACleaning device for cleaning components of a video unit and for cleaning outside a tape path areaFiled 1996·Granted Feb 22, 2000·9 cites·44 claims
- 1445US4616284ACleaning cassette with means for intermittently wetting a cleaning tapeRYAN PLASTICS IRELAND·Filed 1984·Granted Oct 7, 1986·5 cites·5 claims
- 1543US7444652B2Protective deviceFRITSCH JOSEPH FREDERICK·Filed 2004·Granted Oct 28, 2008·1 cites·16 claims
- 1641US2008230175A1Cleaning Device and a Method For Producing a Cleaning Device For Cleaning a Read and/or Write Interface of a Read and/or Write UnitFRITSCH JOSEPH FREDERICK·Filed 2006·Application pending·0 cites
- 1740US4851945ADemagnetizing device having an oscillating permanent magnetFRITSCH JOSEPH F·Filed 1987·Granted Jul 25, 1989·6 cites·18 claims
- 1835US5856900ACamcorder actuated treatment device for treating a camcorder headFiled 1997·Granted Jan 5, 1999·3 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →