Leslie K. Bearl

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Anoka, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Device for assembling jacketed lengths of pipe base well screens
- Patent number 4,506,730
- Issue date Mar 26, 1985
- UOP Inc.
- Chris D. McCollin
- E21 - EARTH DRILLING MINING
Information Patent Grant
Expandable packer assembly for sealing a well screen to a casing
- Patent number 4,482,086
- Issue date Nov 13, 1984
- UOP Inc.
- Walter R. Wagner
- E21 - EARTH DRILLING MINING