Inventor · disambiguated record
John O. De Mars
Also filed as: DE MARS JOHN · DE MARS JOHN O
3 granted patents·85 citations·filing 1991–2007
74Inventor score
Top patents by PatentIndex Score
3 records- 0187US7670415B1Vapor barrier for porous structures and systemHYCRETE INC·Filed 2007·Granted Mar 2, 2010·14 cites·20 claims
- 0281US5320851APackaging and dispensing system for fluid and semi-fluid cement admixturesGRACE W R & CO·Filed 1992·Granted Jun 14, 1994·53 cites·12 claims
- 0350US5099688AThermographic method for determining the volume of concrete in a mixing containerGRACE W R & CO·Filed 1991·Granted Mar 31, 1992·18 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →