Inventor · Sedro-Woolley, WA, US

Darrell F. Hatch

2Patents
1h-index
6Co-inventors
33Inventor score

Filing activity: Jun 15, 1988 → Dec 9, 1994

Most-cited inventions

PatentTitleAreaCited byStatus
US5162927A High efficiency holograms by multiple-layer holography Emerging Cross-Sectional Technologies 27 Expired
US5602656A Apparatus and method for monitoring holographic light protection filters Physics 0 Expired

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