Assignee
HAIL MARY RUBBER CO INC
US·3 granted patents·186 citations·filing 1991–2005
Top patents by PatentIndex Score
3 records- 0196US5169161ASymmetrical gasket for pipe jointsHAIL MARY RUBBER CO INC·Filed 1991·Granted Dec 8, 1992·137 cites·7 claims
- 0292US7137756B1Fluid-tight bell-and-spigot-joint for box culvertsHAIL MARY RUBBER CO INC·Filed 2005·Granted Nov 21, 2006·35 cites·14 claims
- 0344US5525007ASewer constructionHAIL MARY RUBBER CO INC·Filed 1995·Granted Jun 11, 1996·14 cites·10 claims
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