Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D619439 | Plural-component mechanical purge applicator | Michael A. Cryer, John S. Lihwa, Heath I. McCartney | 2010-07-13 |
| 5661271 | Acoustic speaker enclosure having a stacked construction | — | 1997-08-26 |