Patent assignee · US · COMPANY

Professional Technologies Corp.

1Patents
0Active
1Granted
21Portfolio score

Filing activity: Aug 6, 1984 → Aug 6, 1984

Most-cited patents

PatentTitleAreaCited byStatus
US4622459A Tonometer with optical sensing and variable attenuator Physics 8 Expired

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