Inventor · Chicago, IL, US

Martha Williams

12Patents
9h-index
5Co-inventors
65Inventor score

Filing activity: Apr 20, 1992 → Sep 27, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US5722544A Modular shelving system Human Necessities 56 Expired
US5743407A Color reference system for decorators Physics 43 Expired
USD343093S Storage jar General 27 Expired
USD865400S1 Mattress cover General 25 Active
USD866223S1 Mattress cover General 21 Active
USD866222S1 Mattress cover General 18 Active
USD898470S1 Pattern for a mattress cover General 12 Active
USD897742S1 Mattress cover General 10 Active
USD898469S1 Mattress cover General 9 Active
USD898472S1 Pattern for a mattress cover General 8 Active
USD898471S1 Pattern for a mattress cover General 8 Active
USD899151S1 Mattress cover General 5 Active

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