David N. Alftine
3Patents
2h-index
3Co-inventors
33Inventor score
Filing activity: Jan 24, 1983 → Oct 19, 1990
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5071453A | Oxygen concentrator with pressure booster and oxygen concentration monitoring | Human Necessities | 123 | Expired |
| US4455861A | Molecular sieve oxygen monitor | Physics | 11 | Expired |
| US4442698A | Molecular sieve oxygen monitor | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.