Inventor · Bloomington, MN, US

Charles E. Grimes

3Patents
3h-index
6Co-inventors
36Inventor score

Filing activity: Aug 27, 1984 → Mar 14, 1986

Most-cited inventions

PatentTitleAreaCited byStatus
US4675935A Control and monitor for a floor maintenance device Human Necessities 91 Expired
US4634403A Belt drive Mechanical Engineering; Lighting; Heating 20 Expired
US4615070A Sweeper with speed control for brush and vacuum fan Fixed Constructions 19 Expired

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