Daniel J. Heffner
1Patents
1h-index
1Co-inventors
22Inventor score
Filing activity: Jan 7, 2000 → Jan 7, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6189496A | Breather valve, arrangement and method | Mechanical Engineering; Lighting; Heating | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.