Tech Ref, Inc.
2Patents
0Active
2Granted
22Portfolio score
Filing activity: Jan 24, 1983 → Feb 6, 2002
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| 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.