Siegfried Klein
3Patents
0Active
3Granted
26Portfolio score
Filing activity: Aug 21, 1985 → Aug 4, 1988
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4842400A | Visual apparatus | Human Necessities | 89 | Expired |
| US4782471A | Omnidirectional transducer of elastic waves with a wide pass band and production process | Physics | 17 | Expired |
| US4862430A | Wide pass band elastic wave omnidirectional transducer | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.