Devices descending from K971257
1 later device reach Vtu-1 Vacuum Erection System through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K974470 | Vtu-E Vacuum Erection System | Encore, Inc. | 1998 | 0 | — |