Inventor · Kupferberg, DE

Ralph Schroeppel

1Patents
1h-index
2Co-inventors
22Inventor score

Filing activity: Oct 18, 1988 → Oct 18, 1988

Most-cited inventions

PatentTitleAreaCited byStatus
US4958518A Sensor for determining liquid level in a container Emerging Cross-Sectional Technologies 11 Expired

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