Patent assignee · TW · COMPANY

SPEADA INDUSTRIAL CO., LTD.

1Patents
0Active
1Granted
17Portfolio score

Filing activity: Aug 9, 2005 → Aug 9, 2005

Most-cited patents

PatentTitleAreaCited byStatus
USD538852S1 Ball-marker pen General 6 Expired

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