Inventor · Gelsenkirchen, DE

Friedhelm Kapteina

1Patents
1h-index
1Co-inventors
22Inventor score

Filing activity: Dec 10, 1981 → Dec 10, 1981

Most-cited inventions

PatentTitleAreaCited byStatus
US4382139A Process and apparatus for continuous production of polyesters Performing Operations; Transporting 35 Expired

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