Inventor

SCHROER CHARLES E

US3 patents

Patents

3 patents

US6026933AFeb 22, 2000

Step stool

COSCO INC97 citations94

US4485892ADec 4, 1984

Platform stool

COSCO INC76 citations94

US4799700AJan 24, 1989

Collapsible walker

COSCO INC43 citations91