Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8016138 | Hanger retainer device, system, and methods for retaining hangers on a rod | — | 2011-09-13 |
| 7921960 | Acoustic cabinet | Peter F. Menzel, Rebecca S. Broton, Mark R. Friedrichs, Ronald Freiheit | 2011-04-12 |