Inventor · Cheyenne, WY, US

John Fredrick Ackerman

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

Filing activity: Oct 1, 1992 → Jan 29, 1998

Most-cited inventions

PatentTitleAreaCited byStatus
US6087775A Exterior shroud lamp Electricity 7 Expired
US5389853A Incandescent lamp filament with surface crystallites and method of formation Electricity 6 Expired

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