Patent assignee · US · COMPANY

Accu-Time Systems, Inc.

4Patents
0Active
4Granted
25Portfolio score

Filing activity: Sep 23, 1997 → Oct 11, 2005

Most-cited patents

PatentTitleAreaCited byStatus
US5995014A Biometric interface device for upgrading existing access control units Physics 146 Expired
US5959541A Biometric time and attendance system with epidermal topographical updating capability Physics 67 Expired
US6075455A Biometric time and attendance system with epidermal topographical updating capability Physics 34 Expired
USD569107S1 Biometric cleaning brush General 0 Expired

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