Inventor · disambiguated record
Don Shewchenko
Also filed as: SHEWCHENKO DON
2 granted patents·142 citations·filing 1997–1998
69Inventor score
Technology areasE21B
Files withOWEN OIL TOOLS INC2
Top patents by PatentIndex Score
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →