Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8201367 | Wind and debris resistant garage door window frame and method of installation | Bob R. Barnard | 2012-06-19 |
| 7971623 | Adjustable garage door window frame and method of installation | Bob R. Barnard | 2011-07-05 |
| 7027608 | Behind the ear hearing aid system | Robert J. Fretz, Cliff Miller | 2006-04-11 |
| D440314 | Eartip for hearing aid | — | 2001-04-10 |
| D431294 | Hearing aid tip | Cliff Miller | 2000-09-26 |
| D424697 | Eartip for hearing aid | Robert J. Fretz | 2000-05-09 |
| D420136 | Eartip for use as a hearing aid | Robert J. Fretz | 2000-02-01 |
| D420135 | Pair of hearing aid tubes | Robert J. Fretz | 2000-02-01 |