Devices descending from K972147
3 later devices reach Peachtree Proportional Head Control Unit (PHC-2) through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K073330 | Freedom Sciences Motion Control Module (MCM) | Freedom Sciences, LLC | 2008 | 1 | — |
| +1 | K991090 | Peachtree Proportional Head Control Unit (PHC-3) | Dynamic Systems, Inc. | 1999 | 0 | — |
| +2 | K091723 | Freedom Sciences Motion Control Module Version 1.5 | Freedom Sciences, LLC | 2009 | 0 | — |