Inventor · 秦集镇, CN

Frank Char

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

Filing activity: Nov 8, 2001 → May 27, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
USD481923S1 Contoured push button handle for a storm door General 10 Expired
US7152442B2 Method for installing a storm door mortise lock including a separate key cylinder Emerging Cross-Sectional Technologies 9 Expired
US7197903B2 Method and apparatus for a storm door mortise lock including an integral cam Emerging Cross-Sectional Technologies 3 Expired

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