Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
DB

David Barnard — 8 Patents

REResound: 5 patents #3 of 29Top 15%
NINational Door Industries: 2 patents #3 of 7Top 45%
GAGn Resound North America: 1 patents #3 of 14Top 25%
Madison, WI: #624 of 4,527 inventorsTop 15%
Wisconsin: #6,037 of 40,088 inventorsTop 20%
Overall (All Time): #654,191 of 4,157,543Top 20%
8 Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
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