Inventor · Hartland, WI, US

David Arthur Spence

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

Filing activity: Jul 27, 2007 → Feb 11, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
US7801269B2 Method and apparatus for calibrating a radiation therapy treatment system Human Necessities 68 Active
US7835502B2 Target pedestal assembly and method of preserving the target Electricity 46 Active

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