Inventor · Skokie, IL, US

Jon S. DeGraff

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

Filing activity: Jun 22, 1984 → Jun 22, 1984

Most-cited inventions

PatentTitleAreaCited byStatus
US4569812A Process for making a hearing aid vent Emerging Cross-Sectional Technologies 33 Expired

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