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| Home | FAQ | Search: Advanced | Person | Company | Type | Class | Login | |
| Quick search: | Patent number: | Patent Date: |
| Withdrawn Patents | |
| Grant Date | Patent Number |
| 1983-12-20 | D271,837 |
| 1983-12-20 | 4,421,013 |
| 1983-12-20 | 4,421,018 |
| 1983-12-20 | 4,421,103 |
| 1983-12-20 | 4,421,907 |