Inventor · Boise, ID, US

Stephen L. Testardi

6Patents
3h-index
6Co-inventors
46Inventor score

Filing activity: Jan 29, 1998 → Sep 16, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US6607267B2 Method of printing a security verification with inkjet printers Performing Operations; Transporting 97 Expired
US5865121A System for cleaning rollers in an image forming device Physics 15 Expired
US7293292B2 Method and system for securely and selectively providing optional features or premium functionality in a printer Physics 5 Expired
US10295946B2 Warranty entitlement of image-forming device consumable item Physics 2 Active
US8027048B2 Method and article for determining use of consumable items in an image-forming device Physics 2 Active
US8662622B2 Print cartridge output sample Physics 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.