Inventor · Joppatowne, MD, US

Robert Perkins

2Patents
1h-index
3Co-inventors
41Inventor score

Filing activity: Nov 4, 1974 → Oct 9, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US3944998A Display system Physics 4 Expired
US12222586B2 Adjustable focal length lenses and eyewear incorporating the same Physics 0 Active

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