Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9301621 | Collapsible marsh stool | Theodore William Barstad | 2016-04-05 |
| 8422722 | Audio speaker grill mounting system | Ronald D. Maurer, Richard P. Apgar | 2013-04-16 |
| 8259980 | Pivotal speaker tweeter | Ronald D. Maurer, Richard P. Apgar | 2012-09-04 |
| 8229155 | Speaker assembly with directional adjustability | Ronald D. Maurer, Richard P. Apgar | 2012-07-24 |
| D628155 | Wire pass through plate with bristles | Ronald D. Maurer, Richard P. Apgar | 2010-11-30 |
| D615929 | In-line surge suppressor | Ronald D. Maurer, Richard P. Apgar | 2010-05-18 |
| D600676 | Ceiling mount audio speaker | Ronald D. Maurer, Richard P. Apgar | 2009-09-22 |
| D600678 | Three spoke audio speaker | Ronald D. Maurer, Richard P. Apgar | 2009-09-22 |
| D595659 | Electrical outlet box for recessed plug in | Ronald D. Maurer, Richard P. Apgar | 2009-07-07 |