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US Patent: 6,505,532
Universal drain tool
Patentee:
Thomas Michael Lawson (exact or similar names) - Albany, GA

USPTO Classifications:
81/124.3, 81/437

Tool Categories:
wrenches

Assignees:
Lawson Industries - Albany, GA

Manufacturer:
Lawson Industries - Albany, GA

Witnesses:
Unknown

Patent Dates:
Applied: Jan. 18, 2001
Granted: Jan. 14, 2003

Patent Pictures: [ 1 | 2 ]
Patent 6,505,532 -- edited drawing
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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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