Harald Sperl
1Patents
1h-index
5Co-inventors
25Inventor score
Filing activity: Jul 31, 1978 → Jul 31, 1978
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4311905A | Film strip positioning for X-ray testing of pipes | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.