Frederick M. Richards
3Patents
3h-index
7Co-inventors
43Inventor score
Filing activity: Nov 27, 1996 → Nov 3, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5765553A | Aerosol medication delivery facemask adapter | Human Necessities | 64 | Expired |
| US6238353A | Incentive spirometer | Human Necessities | 21 | Expired |
| USD566833S1 | Respiratory therapy device | General | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.