David Kopf Instruments
6Patents
0Active
6Granted
27Portfolio score
Filing activity: Aug 1, 1975 → Aug 12, 2002
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4256112A | Head positioner | Human Necessities | 226 | Expired |
| US4011869A | Tubular cutting instrument | Emerging Cross-Sectional Technologies | 220 | Expired |
| US4111207A | Notched tubular cutting instrument | Human Necessities | 90 | Expired |
| US5601570A | Stereotaxic rotational adaptor | Human Necessities | 10 | Expired |
| US6716220B2 | Stereotaxic holders, stereotaxic alignment systems comprising same, and methods for using same | Human Necessities | 4 | Expired |
| US5370481A | Drill press for stereotaxic manipulator | Emerging Cross-Sectional Technologies | 3 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.