Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D699875 | Wearable and positionable lamp with dual light sources | Thomas R. Christianson | 2014-02-18 |
| D623783 | Wearable and positionable dual lamp assembly | Thomas R. Christianson | 2010-09-14 |
| 7518956 | Planisphere clock | — | 2009-04-14 |
| 6454746 | Medication delivery apparatus | Roland J. Bydlon | 2002-09-24 |
| D458569 | Universal towing mirror | Terry M. Birchler, Brian J. Conaway, Kristen K. Hedstrom, Thomas G. Sieber, James T. Wade | 2002-06-11 |
| D436984 | Pick for a stringed instrument | — | 2001-01-30 |
| 6127613 | Pick for a stringed instrument | — | 2000-10-03 |
| D427675 | Housing for a CPAP device | — | 2000-07-04 |
| D426299 | Medication delivery instrument | Roland J. Bydlon | 2000-06-06 |
| D417371 | Combined lower housing and shield of a powered lawn and garden implement | John F. Searle, Joseph A. Juratovac, R. Reade Harpham | 1999-12-07 |
| D406225 | Handle for a powered lawn and garden implement | John F. Searle, Joseph A. Juratovac, R. Reade Harpham | 1999-03-02 |