Inventor · Frankfurt, DE

Helmut Mayer

4Patents
4h-index
11Co-inventors
37Inventor score

Filing activity: Jul 28, 1986 → Jan 23, 1987

Most-cited inventions

PatentTitleAreaCited byStatus
US4790007A Telephone instrument Electricity 32 Expired
USD297137S Telephone set General 22 Expired
USD294248S Telephone set General 17 Expired
USD294351S Telephone set General 16 Expired

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