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MH

Marvin Haddock

Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #2,206,255 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6620327 Multi-stage engine coolant recycling apparatus and process — 2003-09-16
6187197 Multi-stage engine coolant recycling process — 2001-02-13

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