Patent assignee · US · COMPANY

Optical Security Group, Inc.

🏢 View company profile →
8Patents
0Active
8Granted
26Portfolio score

Filing activity: Jul 16, 1993 → Jun 7, 2005

Most-cited patents

PatentTitleAreaCited byStatus
US5913543A Tamper evident and counterfeit resisting informational article and associated method Performing Operations; Transporting 32 Expired
US5595624A Method of making tamper evident and counterfeit resisting informational article Emerging Cross-Sectional Technologies 15 Expired
US5704652A Tamper evident and counterfeit resisting informational article and associated method Emerging Cross-Sectional Technologies 6 Expired
US7269123B2 Wavelength selective coatings for optical disc security Physics 6 Expired
US6129975A Tamper resistant vehicular validation tab and associated method Emerging Cross-Sectional Technologies 5 Expired
US5948555A Tamper resistant vehicular validation tab having differential adhesive properties Emerging Cross-Sectional Technologies 3 Expired
US5763052A Informational article and an associated method Emerging Cross-Sectional Technologies 2 Expired
US5716482A Informational article and an associated method Emerging Cross-Sectional Technologies 0 Expired

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