Inventor · Henryetta, OK, US

David Crumrine

2Patents
1h-index
2Co-inventors
34Inventor score

Filing activity: Apr 16, 1979 → May 2, 1996

Most-cited inventions

PatentTitleAreaCited byStatus
US5768915A Coin display device Emerging Cross-Sectional Technologies 10 Expired
US4233948A Pollution control device for automobile carburetion Mechanical Engineering; Lighting; Heating 1 Expired

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