Patent assignee · US · COMPANY

Daphne Instruments, Inc.

2Patents
0Active
2Granted
23Portfolio score

Filing activity: Jul 26, 2002 → Sep 22, 2004

Most-cited patents

PatentTitleAreaCited byStatus
US7001020B2 Complete autorefractor system in an ultra-compact package Human Necessities 21 Expired
US7481535B2 Complete autorefractor system in an ultra-compact package Human Necessities 5 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.