Patent applications and USPTO patent grants for Yi; Zhiyong.The latest application filed is for "power tool with a clamping device for axially securing a disk shaped tool".
Patent | Date |
---|---|
Power tool with a clamping device for axially securing a disk shaped tool Grant 6,929,538 - Yi August 16, 2 | 2005-08-16 |
Power tool with a clamping device for axially securing a disk shaped tool App 20040043714 - Yi, Zhiyong | 2004-03-04 |
Power tool with at least one handle App 20040016082 - Yi, Zhiyong | 2004-01-29 |
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