Assignee
DICK CAMPBELL COMPANY
US·2 granted patents·1 pending application·11 citations·filing 1997–2020
Top patents by PatentIndex Score
3 records- 0160US11004342B2Turn lane pedestrian indicatorDICK CAMPBELL COMPANY·Filed 2020·Granted May 11, 2021·1 cites·20 claims
- 0233US5767465APedestrian crosswalk switchDICK CAMPBELL COMPANY·Filed 1997·Granted Jun 16, 1998·10 cites·5 claims
- 0326US2018025633A1Advanced accessible pedestrian system for signalized traffic intersectionsDICK CAMPBELL COMPANY·Filed 2017·Application pending·0 cites
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