Bruce E. Penning
2Patents
2h-index
6Co-inventors
33Inventor score
Filing activity: Jul 24, 1998 → Aug 12, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6584976B2 | Face mask that has a filtered exhalation valve | Human Necessities | 120 | Expired |
| US6805124B2 | Face mask that has a filtered exhalation valve | Human Necessities | 18 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.