Assignee
PROTOSTAR INC
US5 patents
Top patents by PatentIndex Score
US9585807B2Mar 7, 2017
Collapsible upright wheeled walker apparatus
PROTOSTAR INC33 citations95
US11071676B2Jul 27, 2021
Collapsible wheeled walker with stability enhancing bracket apparatus and method
PROTOSTAR INC9 citations82
US10828226B2Nov 10, 2020
Collapsible upright wheeled walker apparatus
PROTOSTAR INC4 citations82
US10588815B2Mar 17, 2020
Collapsible upright wheeled walker apparatus
PROTOSTAR INC6 citations82
US10434031B2Oct 8, 2019
Wheeled walker with a moveable seat
PROTOSTAR INC2 citations71