Inventor · Gräfenberg, DE

Hartmann Eckardt

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

Filing activity: Feb 28, 1985 → Feb 28, 1985

Most-cited inventions

PatentTitleAreaCited byStatus
US4697953A Method and apparatus for subsequent underground sealing Fixed Constructions 19 Expired

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