Inventor · Brea, CA, US

Jack Schaefer

2Patents
2h-index
2Co-inventors
24Inventor score

Filing activity: May 10, 1979 → Feb 1, 1980

Most-cited inventions

PatentTitleAreaCited byStatus
US4309575A Apparatus for intercranial transmission of audio signals Electricity 26 Expired
US4310315A Tactile learning device for the handicapped Physics 7 Expired

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