Keith A. Ballard
6Patents
4h-index
12Co-inventors
50Inventor score
Filing activity: Mar 20, 1992 → Jul 20, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5975423A | Portable fully self-contained pressure wash-down system and method | Performing Operations; Transporting | 19 | Expired |
| USD440559S | Portion of a speaker | General | 13 | Expired |
| USD351839S | Speaker | General | 10 | Expired |
| USD351388S | Combined speaker and integral stand | General | 5 | Expired |
| USD463407S1 | Speaker | General | 3 | Expired |
| USD448360S | Portion of a speaker | General | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.