Inventor · Spokane, WA, US

P. David DeVries

3Patents
3h-index
4Co-inventors
36Inventor score

Filing activity: May 13, 1997 → Feb 23, 2001

Most-cited inventions

PatentTitleAreaCited byStatus
US5973727A Video image viewing device and method Physics 122 Expired
US6181367A Video image viewing device and method Physics 22 Expired
US6383556B2 Method for forming a membrane electrode diffusion assembly for use in an ion exchange membrane fuel cell Emerging Cross-Sectional Technologies 6 Expired

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