Patent assignee · US · COMPANY

Tech Ref, Inc.

2Patents
0Active
2Granted
22Portfolio score

Filing activity: Jan 24, 1983 → Feb 6, 2002

Most-cited patents

PatentTitleAreaCited byStatus
US4448311A Sample cell Physics 25 Expired
US6603544B1 Sample cell Physics 9 Expired

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