Devices descending from K761140
1 later device reach Fraser Sweatman's Double Mask through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K981754 | Automatic Vacuum Switch (Avs) Model Number Avs 5000 | Porter Instrument Co., Inc. | 1998 | 0 | — |