Inventor · Sunnyvale, CA, US

Donna Beals

17Patents
16h-index
15Co-inventors
67Inventor score

Filing activity: Feb 1, 1995 → May 11, 2000

Most-cited inventions

PatentTitleAreaCited byStatus
US6041467A Toothbrush Human Necessities 132 Expired
USD425306S Set of bristles for a toothbrush General 120 Expired
US6308367A Toothbrush Emerging Cross-Sectional Technologies 117 Expired
US6298516A Toothbrushes Human Necessities 116 Expired
USD424808S Set of bristles for a toothbrush General 111 Expired
USD422143S Set of bristles for a toothbrush General 107 Expired
USD440048S Toothbrush General 102 Expired
US6234798A Flexible tip toothbrush handle Human Necessities 96 Expired
USD419773S Toothbrush handle General 93 Expired
USD434906S Set of bristles for a toothbrush General 82 Expired
USD443985S Set of bristles for a toothbrush General 65 Expired
US5722106A Tooth polishing brush Emerging Cross-Sectional Technologies 48 Expired
USD437688S Set of bristles for a toothbrush General 40 Expired
USD415352S Toothbrush handle General 38 Expired
US6199242A Tooth polishing brush Emerging Cross-Sectional Technologies 33 Expired
US6272714A Toothbrush Emerging Cross-Sectional Technologies 28 Expired
USD421845S Set of brush bristles General 13 Expired

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