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Louis L. Lutich
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San Antonia, TX, US
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last 30 patents
Information
Patent Grant
Rock ditcher
Patent number
4,626,032
Issue date
Dec 2, 1986
Jesse W. Harris
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Patent Grant
Impact drilling tool having improved valving
Patent number
4,333,537
Issue date
Jun 8, 1982
Jesse W. Harris
E21 - EARTH DRILLING MINING
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Patent Grant
Failsafe cutoff valve for oil and gas wells
Patent number
4,290,578
Issue date
Sep 22, 1981
Sherald B. Earp
E21 - EARTH DRILLING MINING
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Patent Grant
Demolition tool
Patent number
4,034,816
Issue date
Jul 12, 1977
Louis L. Lutich
B28 - WORKING CEMENT, CLAY, OR STONE