Inventor · Pforzheim, DE

Siegfried Grau

4Patents
2h-index
6Co-inventors
37Inventor score

Filing activity: Mar 26, 1993 → Nov 18, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
US6896403B1 Mode selecting assembly for a timepiece Physics 94 Expired
US6773157B1 Setting assembly for an analog timepiece Physics 4 Expired
US5349574A Horological movement having guide means for a control member such as a shaft Physics 2 Expired
US7027361B2 Perpetual calendar for a timepiece Physics 1 Expired

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