Inventor · Greenfield, WI, US

John D. Hadfield

3Patents
2h-index
6Co-inventors
41Inventor score

Filing activity: Sep 28, 2000 → Oct 16, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US7359870B1 System design, proposal and programming method and apparatus Emerging Cross-Sectional Technologies 3 Expired
US11785997B1 Bodily fluid pouch concealment system Human Necessities 2 Active
US12150506B1 Bodily fluid pouch concealment system Human Necessities 0 Active

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