| Withdrawn Patents |
| Grant Date | Patent Number |
| 1972-09-05 | 3,688,351 |
| 1972-09-05 | 3,688,390 |
| 1972-09-05 | 3,688,422 |
| 1972-09-05 | 3,688,423 |
| 1972-09-05 | 3,688,427 |
| 1972-09-05 | 3,688,428 |
| 1972-09-05 | 3,688,442 |
| 1972-09-05 | 3,688,446 |
| 1972-09-05 | 3,688,462 |
| 1972-09-05 | 3,688,469 |
| 1972-09-05 | 3,688,470 |
| 1972-09-05 | 3,688,480 |
| 1972-09-05 | 3,688,481 |
| 1972-09-05 | 3,688,489 |
| 1972-09-05 | 3,688,503 |
| 1972-09-05 | 3,688,519 |
| 1972-09-05 | 3,688,529 |
| 1972-09-05 | 3,688,536 |
| 1972-09-05 | 3,688,547 |
| 1972-09-05 | 3,688,572 |
| 1972-09-05 | 3,688,591 |
| 1972-09-05 | 3,688,603 |
| 1972-09-05 | 3,688,613 |
| 1972-09-05 | 3,688,616 |
| 1972-09-05 | 3,688,618 |
| 1972-09-05 | 3,688,628 |
| 1972-09-05 | 3,688,629 |
| 1972-09-05 | 3,688,651 |
| 1972-09-05 | 3,688,658 |
| 1972-09-05 | 3,688,693 |
| 1972-09-05 | 3,688,725 |
| 1972-09-05 | 3,688,761 |
| 1972-09-05 | 3,688,769 |
| 1972-09-05 | 3,688,786 |
| 1972-09-05 | 3,688,792 |
| 1972-09-05 | 3,688,793 |
| 1972-09-05 | 3,688,817 |
| 1972-09-05 | 3,688,819 |
| 1972-09-05 | 3,688,842 |
| 1972-09-05 | 3,688,862 |
| 1972-09-05 | 3,688,887 |
| 1972-09-05 | 3,688,903 |
| 1972-09-05 | 3,688,913 |
| 1972-09-05 | 3,688,923 |
| 1972-09-05 | 3,688,927 |
| 1972-09-05 | 3,688,949 |
| 1972-09-05 | 3,688,970 |
| 1972-09-05 | 3,688,975 |
| 1972-09-05 | 3,688,976 |
| 1972-09-05 | 3,688,977 |
| 1972-09-05 | 3,689,006 |
| 1972-09-05 | 3,689,034 |
| 1972-09-05 | 3,689,043 |
| 1972-09-05 | 3,689,068 |
| 1972-09-05 | 3,689,070 |
| 1972-09-05 | 3,689,073 |
| 1972-09-05 | 3,689,085 |
| 1972-09-05 | 3,689,086 |
| 1972-09-05 | 3,689,089 |
| 1972-09-05 | 3,689,125 |
| 1972-09-05 | 3,689,130 |
| 1972-09-05 | 3,689,170 |
| 1972-09-05 | 3,689,179 |
| 1972-09-05 | 3,689,196 |
| 1972-09-05 | 3,689,201 |
| 1972-09-05 | 3,689,228 |
| 1972-09-05 | 3,689,230 |
| 1972-09-05 | 3,689,231 |
| 1972-09-05 | 3,689,235 |
| 1972-09-05 | 3,689,247 |
| 1972-09-05 | 3,689,256 |
| 1972-09-05 | 3,689,261 |
| 1972-09-05 | 3,689,263 |
| 1972-09-05 | 3,689,281 |
| 1972-09-05 | 3,689,306 |
| 1972-09-05 | 3,689,321 |
| 1972-09-05 | 3,689,340 |
| 1972-09-05 | 3,689,363 |
| 1972-09-05 | 3,689,368 |
| 1972-09-05 | 3,689,390 |
| 1972-09-05 | 3,689,409 |
| 1972-09-05 | 3,689,416 |
| 1972-09-05 | 3,689,420 |
| 1972-09-05 | 3,689,422 |
| 1972-09-05 | 3,689,423 |
| 1972-09-05 | 3,689,426 |
| 1972-09-05 | 3,689,476 |
| 1972-09-05 | 3,689,509 |
| 1972-09-05 | 3,689,518 |
| 1972-09-05 | 3,689,542 |
| 1972-09-05 | 3,689,552 |
| 1972-09-05 | 3,689,581 |
| 1972-09-05 | 3,689,599 |
| 1972-09-05 | 3,689,600 |
| 1972-09-05 | 3,689,606 |
| 1972-09-05 | 3,689,624 |
| 1972-09-05 | 3,689,627 |
| 1972-09-05 | 3,689,628 |
| 1972-09-05 | 3,689,631 |
| 1972-09-05 | 3,689,635 |
| 1972-09-05 | 3,689,642 |
| 1972-09-05 | 3,689,650 |
| 1972-09-05 | 3,689,666 |
| 1972-09-05 | 3,689,682 |
| 1972-09-05 | 3,689,685 |
| 1972-09-05 | 3,689,706 |
| 1972-09-05 | 3,689,707 |
| 1972-09-05 | 3,689,712 |
| 1972-09-05 | 3,689,745 |
| 1972-09-05 | 3,689,765 |
| 1972-09-05 | 3,689,834 |
| 1972-09-05 | 3,689,869 |
| 1972-09-05 | 3,689,877 |
| 1972-09-05 | 3,689,916 |
| 1972-09-05 | 3,689,918 |