Patent assignee · US · COMPANY

AMCO Certification Services

1Patents
0Active
1Granted
23Portfolio score

Filing activity: Apr 18, 1991 → Apr 18, 1991

Most-cited patents

PatentTitleAreaCited byStatus
US5133451A Protective coin holder Physics 14 Expired

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