Neil C. Lien

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Evansville, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Seating arrangement and structure of a spool within a well casing
- Patent number 4,940,087
- Issue date Jul 10, 1990
- Baker Manufacturing Company
- Neil C. Lien
- E21 - EARTH DRILLING MINING
Information Patent Grant
Pitless well adapter apparatus
- Patent number 4,037,654
- Issue date Jul 26, 1977
- Baker Manufacturing Company
- Neil C. Lien
- E21 - EARTH DRILLING MINING