Inventor · Penndel, PA, US

Philip Dougherty

2Patents
2h-index
2Co-inventors
38Inventor score

Filing activity: Sep 15, 1981 → Jun 3, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US4374211A Aramid containing friction materials Mechanical Engineering; Lighting; Heating 53 Expired
US9414632B1 Concussion prevention helmet Human Necessities 2 Active

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