Inventor · disambiguated record
Stephen L. Testardi
Also filed as: TESTARDI STEPHEN L
6 granted patents·1 pending application·128 citations·filing 1998–2008
82Inventor score
Top patents by PatentIndex Score
7 records- 0195US6607267B2Method of printing a security verification with inkjet printersHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Aug 19, 2003·78 cites·23 claims
- 0281US5865121ASystem for cleaning rollers in an image forming deviceHEWLETT PACKARD CO·Filed 1998·Granted Feb 2, 1999·36 cites·15 claims
- 0366US8027048B2Method and article for determining use of consumable items in an image-forming deviceHEWLETT PACKARD DEVELOPMENT CO·Filed 2007·Granted Sep 27, 2011·3 cites·20 claims
- 0465US10295946B2Warranty entitlement of image-forming device consumable itemTESTARDI STEPHEN L·Filed 2007·Granted May 21, 2019·3 cites·15 claims
- 0557US7293292B2Method and system for securely and selectively providing optional features or premium functionality in a printerHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Nov 6, 2007·8 cites·37 claims
- 0646US8662622B2Print cartridge output sampleSIMPSON SHELL S·Filed 2008·Granted Mar 4, 2014·0 cites·17 claims
- 0742US2005097405A1Systems and methods for reporting device problemsFiled 2003·Application pending·0 cites
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