Assignee
HILL JAMES L
US·4 granted patents·1 pending application·114 citations·filing 1991–2016
Top patents by PatentIndex Score
5 records- 0189US9227608B2Decentralized electric brake systemHILL JAMES L·Filed 2009·Granted Jan 5, 2016·16 cites·16 claims
- 0284US5303756ATire for indicating tread wear and method of manufacturing the sameHILL JAMES L·Filed 1991·Granted Apr 19, 1994·54 cites·21 claims
- 0370US10964206B1Siren detection system for placement at traffic intersectionHILL JAMES L·Filed 2016·Granted Mar 30, 2021·2 cites·1 claims
- 0461US5287411ASystem for detecting the siren of an approaching emergency vehicleHILL JAMES L·Filed 1992·Granted Feb 15, 1994·42 cites·1 claims
- 0540US2006180712A1Advance warning system for railroad crossingHILL JAMES L·Filed 2005·Application pending·0 cites
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