Leo Koppelomaki
5Patents
4h-index
1Co-inventors
43Inventor score
Filing activity: Aug 23, 1976 → Apr 28, 1994
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD250711S | Loud-speaker device for cars | General | 25 | Expired |
| US4099026A | Loudspeaker for vehicles | Performing Operations; Transporting | 10 | Expired |
| US4611552A | Boarding steps | Performing Operations; Transporting | 7 | Expired |
| US5444899A | Safety catch | Emerging Cross-Sectional Technologies | 7 | Expired |
| USD297835S | Loudspeaker housing for vehicles | General | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.