Inventor · Tigard, OR, US

Douglas C. Mark

3Patents
1h-index
6Co-inventors
33Inventor score

Filing activity: Feb 5, 2003 → Dec 28, 2007

Most-cited inventions

PatentTitleAreaCited byStatus
US7016039B2 Purging light beam paths in optical equipment Physics 2 Expired
US6992758B2 Birefringence measurement of large-format samples Physics 1 Expired
US7746465B2 Sample holder for an optical element Physics 0 Active

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