Inventor · disambiguated record

Robert V. Colangelo

Also filed as: COLANGELO ROBERT V

2 granted patents·404 citations·filing 1989–1989

74Inventor score

Technology areasE21B F16L

Files withAMERICAN COLLOID CO2

Top patents by PatentIndex Score

2 records

0193US4936386AMethod for sealing well casings in the earthAMERICAN COLLOID CO·Filed 1989·Granted Jun 26, 1990·194 cites·31 claims
0292US4919989AArticle for sealing well castings in the earthAMERICAN COLLOID CO·Filed 1989·Granted Apr 24, 1990·210 cites·22 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →