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Patent applications and USPTO patent grants for Chan; Siu Leung.The latest application filed is for "electric stapler".
Patent | Date |
---|---|
Electric stapler Grant D913,065 - Chan , et al. March 16, 2 | 2021-03-16 |
Electric punch Grant D897,429 - Chan , et al. September 29, 2 | 2020-09-29 |
Electric Stapler App 20200282537 - CHAN; Siu Leung ;   et al. | 2020-09-10 |
EG-1680 three hole electric puncher Grant 10,759,078 - Chan , et al. Sep | 2020-09-01 |
EG-1680 Three hole electric puncher App 20200164540 - Chan; Siu Leung ;   et al. | 2020-05-28 |
Stapler Grant D471,414 - Chan March 11, 2 | 2003-03-11 |
Paper punch Grant D445,832 - Chan July 31, 2 | 2001-07-31 |
Pencil sharpener Grant D441,796 - Chan May 8, 2 | 2001-05-08 |
Stapler Grant D330,666 - Chan November 3, 1 | 1992-11-03 |
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