Inventor · Dracut, MA, US

Mark Litchfield

3Patents
3h-index
4Co-inventors
36Inventor score

Filing activity: Aug 18, 2003 → Apr 9, 2007

Most-cited inventions

PatentTitleAreaCited byStatus
US7079944B2 System and method for determining orientation based on solar positioning Physics 21 Expired
US7680599B1 Devices and method for detecting emplacement of improvised explosive devices Physics 6 Active
US7315781B2 System and method for determining orientation based on solar positioning Physics 3 Active

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