Inventor · Orvin, CH

Erich Walker

3Patents
2h-index
1Co-inventors
27Inventor score

Filing activity: Jan 24, 1977 → Dec 3, 1979

Most-cited inventions

PatentTitleAreaCited byStatus
US4264969A Standardized electronic watch movement Physics 4 Expired
US4308610A Gear train for analog display timepiece Physics 4 Expired
US4117660A Casing ring for watch movement Physics 1 Expired

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