Assignee
W P HICKMAN SYSTEMS INC
US·7 granted patents·158 citations·filing 1998–2004
Top patents by PatentIndex Score
7 records- 0182US6110846ABuilt-up roofing systems and methodsW P HICKMAN SYSTEMS INC·Filed 1999·Granted Aug 29, 2000·46 cites·26 claims
- 0279US6360511B1Methods of re-coating and re-covering bitumen-based built-up roofing membranesW P HICKMAN SYSTEMS INC·Filed 2000·Granted Mar 26, 2002·24 cites·52 claims
- 0373US6578322B2Roof edge systemW P HICKMAN SYSTEMS INC·Filed 2001·Granted Jun 17, 2003·42 cites·18 claims
- 0465US6979705B2Water based coal tar emulsionsW P HICKMAN SYSTEMS INC·Filed 2004·Granted Dec 27, 2005·12 cites·39 claims
- 0549US7168209B2Roof wall coping system and methodW P HICKMAN SYSTEMS INC·Filed 2004·Granted Jan 30, 2007·12 cites·26 claims
- 0649US6127292ACoal tar impregnated reinforcement sheetsW P HICKMAN SYSTEMS INC·Filed 1999·Granted Oct 3, 2000·14 cites·18 claims
- 0731US5969013ACoal tar compositionsW P HICKMAN SYSTEMS INC·Filed 1998·Granted Oct 19, 1999·8 cites·26 claims
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