Inventor · Elmhurst, IL, US

Fred Johnson

2Patents
1h-index
4Co-inventors
41Inventor score

Filing activity: Jul 26, 1979 → Aug 28, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US4274532A Can handling system Performing Operations; Transporting 15 Expired
US8014714B2 Fusers, printing apparatuses and methods of fusing toner on media Physics 1 Active

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