Inventor · Oberentfelden, CH

Hubert Speigel

1Patents
0h-index
3Co-inventors
19Inventor score

Filing activity: Apr 7, 1980 → Apr 7, 1980

Most-cited inventions

PatentTitleAreaCited byStatus
US4375023A Gas-blast switch Electricity 0 Expired

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