Patent assignee · US · COMPANY

Portland Software, Inc.

1Patents
0Active
1Granted
25Portfolio score

Filing activity: Mar 7, 1996 → Mar 7, 1996

Most-cited patents

PatentTitleAreaCited byStatus
US5898777A Digital product dissemination and sale Physics 66 Expired

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