| zip | United States Patent Office - 1498391137019934061-08542247/ | 2130415 | 3 | --- | 2000-01-01 00:00:00 |
| zip | United States Patent Office - 1498402962366466650-08976195/ | 2279924 | 3 | --- | 2000-01-01 00:00:00 |
| zip | United States Patent Office - 1498406777218306277-US20130152093A1/ | 1594754 | 3 | --- | 2000-01-01 00:00:00 |
| zip | United States Patent Office - 1499069765232895709-07468726/ | 1537794 | 3 | --- | 2000-01-01 00:00:00 |
| zip | United States Patent Office - 1499075274434115432-08933933/ | 1128731 | 3 | --- | 2000-01-01 00:00:00 |
| zip | United States Patent Office - US00000010535114B220200114/ | 3449106 | 3 | --- | 2000-01-01 00:00:00 |
| zip | United States Patent Office - US00000011928772B220240312/ | 6302414 | 3 | --- | 2000-01-01 00:00:00 |
| zip | United States Patent Office - US000009792122B220171017/ | 2373698 | 3 | --- | 2000-01-01 00:00:00 |
| zip | United States Patent Office - US000009952868B220180424/ | 2219295 | 3 | --- | 2000-01-01 00:00:00 |
| zip | United States Patent Office - US020180374185A120181227/ | 2506131 | 3 | --- | 2000-01-01 00:00:00 |
| zip | United States Patent Office - US20200043123A1/ | 738048 | 3 | --- | 2000-01-01 00:00:00 |