Inventor · Coon Rapids, MN, US

Ralph W. Bierbaum

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

Filing activity: Apr 16, 1993 → Sep 21, 1994

Most-cited inventions

PatentTitleAreaCited byStatus
US5540733A Method and apparatus for detecting and treating obstructive sleep apnea Human Necessities 491 Expired
US5344438A Cuff electrode Human Necessities 347 Expired

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