Joseph G Villers Sr

Inventor

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Work History

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Inventor Addresses

AddressDuration
855 Treat Blvd., Tallmadge, OH 44278Jan 24, 84 - Jan 24, 84

Technology Profile

Technology # of Patents
E21B: EARTH OR ROCK DRILLING 1

Patents / Publication

Patents / Publication #Year of Publication / IssuedTitleCitations
4,427,0601984Gas well ball retriever2


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