Inventor · Kenosha, WI, US

Robert J. Holmen

3Patents
2h-index
10Co-inventors
31Inventor score

Filing activity: Mar 8, 1991 → Sep 23, 1991

Most-cited inventions

PatentTitleAreaCited byStatus
USD335093S Digital oscilloscope General 16 Expired
US5250896A Hand-held magnetic contact tachometer with toothed rotatable wheel Physics 3 Expired
USD332065S Speed sensor for use with an engine analyzer General 1 Expired

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