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US Patent: D480,953
Countersunk washer
Patentees:
Leonard G. Lee (exact or similar names) - Almonte, ON Canada
Ewan Smith (exact or similar names) - Ottawa, ON Canada
Michael Symons (exact or similar names) - Almonte, ON Canada

USPTO Classifications:
D8/399

Tool Categories:

Assignees:
Lee Valley Tools, Ltd. - Ottawa, ON Canada

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Dec. 11, 2002
Granted: Oct. 21, 2003

Patent Pictures:
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