Inventor · Cologne, DE

Alexander Stefanescu

5Patents
4h-index
2Co-inventors
43Inventor score

Filing activity: Nov 18, 1986 → May 5, 2000

Most-cited inventions

PatentTitleAreaCited byStatus
US4787225A Key for a lock cylinder Emerging Cross-Sectional Technologies 88 Expired
US4964288A Locking device and reversible key Emerging Cross-Sectional Technologies 80 Expired
US5964112A Locking cylinder and locking apparatus Emerging Cross-Sectional Technologies 13 Expired
US6145357A Flat key for a tumbler-containing locking cylinder of a lock apparatus Emerging Cross-Sectional Technologies 7 Expired
US6374654B1 Locking arrangement comprising a lock cylinder and an associated key Emerging Cross-Sectional Technologies 0 Expired

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