Inventor · Workington, GB

Friedhelm Dahl

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

Filing activity: May 25, 1983 → May 25, 1983

Most-cited inventions

PatentTitleAreaCited byStatus
US4468811A Tamper-evident closure for bag Emerging Cross-Sectional Technologies 53 Expired

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