Inventor · disambiguated record
John M. Kniffin
Also filed as: KNIFFIN JOHN M · KNIFFIN JOHN MICHAEL
6 granted patents·867 citations·filing 1984–2001
88Inventor score
Files withSUPRA PROD INC2HEWLETT PACKARD CO1HEWLETT PACKARD DEVELOPMENT CO1SLC TECHNOLOGIES INC1TEKTRONIX INC1
Top patents by PatentIndex Score
6 records- 0192US6072402ASecure entry system with radio communicationsSLC TECHNOLOGIES INC·Filed 1992·Granted Jun 6, 2000·429 cites·31 claims
- 0288US6491364B2Inkjet printing with air movement system to improve dot shapeHEWLETT PACKARD CO·Filed 2001·Granted Dec 10, 2002·36 cites·54 claims
- 0382US5705991AAccess control device featuring key ordering or key simultaneitySUPRA PROD INC·Filed 1995·Granted Jan 6, 1998·176 cites·11 claims
- 0480US5280518AElectronic security systemSUPRA PROD INC·Filed 1991·Granted Jan 18, 1994·203 cites·15 claims
- 0573US6557987B1Co-extruded tubing for an off-axis ink delivery systemHEWLETT PACKARD DEVELOPMENT CO·Filed 2000·Granted May 6, 2003·17 cites·11 claims
- 0640US4560989AMethod and apparatus for accelerating the recording rate of a CRT graphic recorderTEKTRONIX INC·Filed 1984·Granted Dec 24, 1985·6 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →