Patent assignee · US · COMPANY

Smart Grade Incorporated

1Patents
0Active
1Granted
20Portfolio score

Filing activity: Sep 24, 1992 → Sep 24, 1992

Most-cited patents

PatentTitleAreaCited byStatus
US5402223A Electronic survey stadia Physics 10 Expired

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