Assignee
W E HALL COMPANY INC
US·4 granted patents·1 pending application·9 citations·filing 2007–2015
Top patents by PatentIndex Score
5 records- 0173US8991439B2Corrugated metal pipeW E HALL COMPANY INC·Filed 2014·Granted Mar 31, 2015·4 cites·10 claims
- 0266US8985160B2Corrugated metal pipeW E HALL COMPANY INC·Filed 2013·Granted Mar 24, 2015·3 cites·10 claims
- 0361US8839823B2Corrugated metal pipeW E HALL COMPANY INC·Filed 2013·Granted Sep 23, 2014·2 cites·9 claims
- 0446US9746108B2Composite underground pipe structureW E HALL COMPANY INC·Filed 2015·Granted Aug 29, 2017·0 cites·18 claims
- 0546US2008273927A1Security barrierW E HALL COMPANY INC·Filed 2007·Application pending·0 cites
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