US Patent: 6,505,532
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| Universal drain tool
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Patentee:
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| Thomas Michael Lawson (exact or similar names) - Albany, GA |
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Patent Dates:
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| Applied: |
Jan. 18, 2001 |
| Granted: |
Jan. 14, 2003 |
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Patent Pictures:
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Patent 6,505,532 -- edited drawing |
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Stan Schulz
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Description: |
| The patent reviews "current practice" relating to shower and sink drains, and describes a tool designed to address those features and related working conditions.
Prior patents 1,529,075, 1,870,612, 4,562,758, 5,259,281, 5,819,610 and 6,098,503 are cited as references.
A known example is stamped steel, with "powder coat" and plastic coating. |
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