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| Withdrawn Patents | |
| Grant Date | Patent Number |
| 1922-01-24 | 1,404,421 |
| 1922-01-24 | 1,404,495 |
| 1922-01-24 | 1,404,563 |
| 1922-01-24 | 1,404,643 |
| 1922-01-24 | D60,297 |
| 1922-01-24 | D60,299 |
| 1922-01-24 | D60,301 |