Inventor · Holt, GB

David Wall

3Patents
3h-index
3Co-inventors
43Inventor score

Filing activity: Feb 15, 1989 → Sep 4, 1998

Most-cited inventions

PatentTitleAreaCited byStatus
US6208441A Optical add/drop wavelength division multiplex systems Electricity 50 Expired
US5048971A Mixers Performing Operations; Transporting 34 Expired
US5354100A Weldable pipe fittings and pipe joints formed therewith Performing Operations; Transporting 5 Expired

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