Inventor · Columbus, IN, US

Charles E. Schroer

3Patents
3h-index
4Co-inventors
43Inventor score

Filing activity: Jul 26, 1983 → Sep 11, 1998

Most-cited inventions

PatentTitleAreaCited byStatus
US6026933A Step stool Fixed Constructions 57 Expired
US4485892A Platform stool Fixed Constructions 51 Expired
US4799700A Collapsible walker Human Necessities 35 Expired

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