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Larry L. Snyder
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Richfield, OH, US
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last 30 patents
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Patent Grant
Tunnel boring machine and method of operating same
Patent number
4,371,211
Issue date
Feb 1, 1983
Jarva, Inc.
Larry L. Snyder
E21 - EARTH DRILLING MINING
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Patent Grant
Tunneling machine
Patent number
4,189,186
Issue date
Feb 19, 1980
Jarva, Inc.
Larry L. Snyder
E21 - EARTH DRILLING MINING