Inventor · Kröpelin, DE

Ralph Beyer

1Patents
1h-index
3Co-inventors
25Inventor score

Filing activity: Oct 4, 2004 → Oct 4, 2004

Most-cited inventions

PatentTitleAreaCited byStatus
US7740931B2 Fire protection gate and correlated fire protection inset Emerging Cross-Sectional Technologies 2 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.