Christopher Robert Patrick Withnall
6Patents
6h-index
10Co-inventors
56Inventor score
Filing activity: Jun 25, 1992 → Aug 27, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6292952A | Insert-molded helmet | Human Necessities | 90 | Expired |
| US6532602B2 | Insert-molded helmet | Human Necessities | 83 | Expired |
| US6159324A | Process for manufacturing protective helmets | Human Necessities | 66 | Expired |
| USD447604S | Helmet | General | 48 | Expired |
| USD445218S | Helmet | General | 28 | Expired |
| USD358905S | Safety helmet | General | 13 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.