Inventor · Los Angeles, CA, US

Ralph E. Ropp

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

Filing activity: Feb 2, 1977 → Feb 2, 1977

Most-cited inventions

PatentTitleAreaCited byStatus
USD249701S Water purification unit General 45 Expired

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