Michael Brett Butler
3Patents
2h-index
6Co-inventors
41Inventor score
Filing activity: Nov 5, 1980 → Dec 23, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4587964A | Rasp tool | Human Necessities | 67 | Expired |
| US4357709A | Apparatus for regenerating signals within a frequency band | Electricity | 13 | Expired |
| US9883285B1 | Sound quality device and system | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.