Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8387318 | Open-air parking shelter with photovoltaic elements and improved airflow characteristics | — | 2013-03-05 |
| D535902 | Wireless animal training transmitter | David J. Boll | 2007-01-30 |
| D523768 | Wireless animal training transmitter | Todd A. Spiegelberg | 2006-06-27 |
| 6807720 | Insulated electrode probe for an animal receiver collar | Scott A. Brune, Matthew Robert Williams, Gregory S. Stillwell | 2004-10-26 |
| 6103961 | Stringed musical instrument | — | 2000-08-15 |
| 4595300 | Thermocouple drive assembly | — | 1986-06-17 |