Inventor · Rochester, NY, US

Donald R. Irwin

2Patents
1h-index
9Co-inventors
30Inventor score

Filing activity: Aug 27, 1996 → Jun 21, 2000

Most-cited inventions

PatentTitleAreaCited byStatus
US6422736B1 Scalable impeller apparatus for preparing silver halide grains Performing Operations; Transporting 72 Expired
US5709989A Process for making high chloride tabular grain emulsion using multiple stream addition of iodide Physics 0 Expired

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