Berntsen, Inc.
2Patents
0Active
2Granted
22Portfolio score
Filing activity: Sep 21, 1983 → Feb 22, 1985
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4502258A | Driven-type sectionalized survey monument resistant to removal | Physics | 17 | Expired |
| US4625473A | Anti-twist rod section and method of using the same in survey monument placement | Physics | 16 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.