Inventor · disambiguated record
Charles Mcinvale
Also filed as: MCINVALE CHARLES · MCINVALE CHARLES W
5 granted patents·2 pending applications·64 citations·filing 1997–2007
80Inventor score
Top patents by PatentIndex Score
7 records- 0170US6315077B1Insert forming hole to receive manhole stepMA IND INC·Filed 1998·Granted Nov 13, 2001·26 cites·26 claims
- 0251USD498131SManhole lift insert with frangible positionerMA IND INC·Filed 2003·Granted Nov 9, 2004·8 cites·1 claims
- 0346USD490907STwo-sided manhole stepMA IND INC·Filed 2003·Granted Jun 1, 2004·6 cites·1 claims
- 0445US6109587AManhole lift insert locatorMA IND INC·Filed 1997·Granted Aug 29, 2000·20 cites·7 claims
- 0541US2005150722A1Two-sided manhole stepFiled 2004·Application pending·0 cites
- 0639USD556917STwo sided manhole stepMA IND INC·Filed 2007·Granted Dec 4, 2007·4 cites·1 claims
- 0738US2005217197A1Frangible concrete insert clipPEACOCK BOBBIE D·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →