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William W. Coville
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Stamford, CT, US
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Patents Grants
last 30 patents
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Patent Grant
Rotary tube scrubber
Patent number
6,467,121
Issue date
Oct 22, 2002
Goodway Technologies Corporation
Joseph J. Franzino
B08 - CLEANING
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Patent Grant
Tube cleaning apparatus
Patent number
5,636,403
Issue date
Jun 10, 1997
Arvid K. Grimsley
B08 - CLEANING
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Patent Grant
Tube cleaning apparatus
Patent number
5,426,807
Issue date
Jun 27, 1995
Goodway Tools Corporation
Arvid K. Grimsley
B08 - CLEANING