Inventor · Cedar Rapids, IA, US

Duane E. Tupper

1Patents
1h-index
4Co-inventors
25Inventor score

Filing activity: Feb 5, 1991 → Feb 5, 1991

Most-cited inventions

PatentTitleAreaCited byStatus
US5130395A Salt stable starch graft polymers Emerging Cross-Sectional Technologies 12 Expired

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