| Withdrawn Patents |
| Grant Date | Patent Number |
| 1972-08-15 | 3,683,434 |
| 1972-08-15 | 3,683,435 |
| 1972-08-15 | 3,683,457 |
| 1972-08-15 | 3,683,472 |
| 1972-08-15 | 3,683,507 |
| 1972-08-15 | 3,683,518 |
| 1972-08-15 | 3,683,528 |
| 1972-08-15 | 3,683,531 |
| 1972-08-15 | 3,683,539 |
| 1972-08-15 | 3,683,540 |
| 1972-08-15 | 3,683,545 |
| 1972-08-15 | 3,683,568 |
| 1972-08-15 | 3,683,570 |
| 1972-08-15 | 3,683,587 |
| 1972-08-15 | 3,683,604 |
| 1972-08-15 | 3,683,609 |
| 1972-08-15 | 3,683,639 |
| 1972-08-15 | 3,683,641 |
| 1972-08-15 | 3,683,646 |
| 1972-08-15 | 3,683,672 |
| 1972-08-15 | 3,683,687 |
| 1972-08-15 | 3,683,689 |
| 1972-08-15 | 3,683,695 |
| 1972-08-15 | 3,683,709 |
| 1972-08-15 | 3,683,715 |
| 1972-08-15 | 3,683,723 |
| 1972-08-15 | 3,683,727 |
| 1972-08-15 | 3,683,745 |
| 1972-08-15 | 3,683,750 |
| 1972-08-15 | 3,683,775 |
| 1972-08-15 | 3,683,794 |
| 1972-08-15 | 3,683,810 |
| 1972-08-15 | 3,683,812 |
| 1972-08-15 | 3,683,813 |
| 1972-08-15 | 3,683,819 |
| 1972-08-15 | 3,683,836 |
| 1972-08-15 | 3,683,858 |
| 1972-08-15 | 3,683,860 |
| 1972-08-15 | 3,683,863 |
| 1972-08-15 | 3,683,865 |
| 1972-08-15 | 3,683,872 |
| 1972-08-15 | 3,683,888 |
| 1972-08-15 | 3,683,895 |
| 1972-08-15 | 3,683,920 |
| 1972-08-15 | 3,683,946 |
| 1972-08-15 | 3,683,952 |
| 1972-08-15 | 3,683,963 |
| 1972-08-15 | 3,683,967 |
| 1972-08-15 | 3,683,986 |
| 1972-08-15 | 3,684,017 |
| 1972-08-15 | 3,684,020 |
| 1972-08-15 | 3,684,024 |
| 1972-08-15 | 3,684,036 |
| 1972-08-15 | 3,684,083 |
| 1972-08-15 | 3,684,107 |
| 1972-08-15 | 3,684,109 |
| 1972-08-15 | 3,684,111 |
| 1972-08-15 | 3,684,134 |
| 1972-08-15 | 3,684,138 |
| 1972-08-15 | 3,684,154 |
| 1972-08-15 | 3,684,165 |
| 1972-08-15 | 3,684,181 |
| 1972-08-15 | 3,684,193 |
| 1972-08-15 | 3,684,201 |
| 1972-08-15 | 3,684,204 |
| 1972-08-15 | 3,684,218 |
| 1972-08-15 | 3,684,226 |
| 1972-08-15 | 3,684,227 |
| 1972-08-15 | 3,684,231 |
| 1972-08-15 | 3,684,246 |
| 1972-08-15 | 3,684,249 |
| 1972-08-15 | 3,684,266 |
| 1972-08-15 | 3,684,281 |
| 1972-08-15 | 3,684,286 |
| 1972-08-15 | 3,684,289 |
| 1972-08-15 | 3,684,313 |
| 1972-08-15 | 3,684,315 |
| 1972-08-15 | 3,684,326 |
| 1972-08-15 | 3,684,353 |
| 1972-08-15 | 3,684,361 |
| 1972-08-15 | 3,684,369 |
| 1972-08-15 | 3,684,382 |
| 1972-08-15 | 3,684,388 |
| 1972-08-15 | 3,684,394 |
| 1972-08-15 | 3,684,399 |
| 1972-08-15 | 3,684,403 |
| 1972-08-15 | 3,684,407 |
| 1972-08-15 | 3,684,414 |
| 1972-08-15 | 3,684,444 |
| 1972-08-15 | 3,684,445 |
| 1972-08-15 | 3,684,449 |
| 1972-08-15 | 3,684,487 |
| 1972-08-15 | 3,684,504 |
| 1972-08-15 | 3,684,524 |
| 1972-08-15 | 3,684,535 |
| 1972-08-15 | 3,684,541 |
| 1972-08-15 | 3,684,555 |
| 1972-08-15 | 3,684,570 |
| 1972-08-15 | 3,684,571 |
| 1972-08-15 | 3,684,599 |
| 1972-08-15 | 3,684,624 |
| 1972-08-15 | 3,684,625 |
| 1972-08-15 | 3,684,629 |
| 1972-08-15 | 3,684,634 |
| 1972-08-15 | 3,684,638 |
| 1972-08-15 | 3,684,663 |
| 1972-08-15 | 3,684,671 |
| 1972-08-15 | 3,684,677 |
| 1972-08-15 | 3,684,690 |
| 1972-08-15 | 3,684,696 |
| 1972-08-15 | 3,684,708 |
| 1972-08-15 | 3,684,716 |
| 1972-08-15 | 3,684,717 |
| 1972-08-15 | 3,684,718 |
| 1972-08-15 | 3,684,721 |
| 1972-08-15 | 3,684,725 |
| 1972-08-15 | 3,684,750 |
| 1972-08-15 | 3,684,751 |
| 1972-08-15 | 3,684,757 |
| 1972-08-15 | 3,684,762 |
| 1972-08-15 | 3,684,772 |
| 1972-08-15 | 3,684,788 |
| 1972-08-15 | 3,684,795 |
| 1972-08-15 | 3,684,804 |
| 1972-08-15 | 3,684,815 |
| 1972-08-15 | 3,684,836 |
| 1972-08-15 | 3,684,881 |
| 1972-08-15 | 3,684,894 |
| 1972-08-15 | 3,684,946 |
| 1972-08-15 | 3,684,957 |
| 1972-08-15 | 3,684,966 |
| 1972-08-15 | 3,684,984 |
| 1972-08-15 | 3,684,990 |
| 1972-08-15 | 3,685,010 |
| 1972-08-15 | 3,685,017 |
| 1972-08-15 | 3,685,032 |
| 1972-08-15 | 3,685,042 |
