Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
DB

David Barnes — 1 Patent

General Motors: 1 patents #9,441 of 18,328Top 55%
Carmel, IN: #943 of 1,387 inventorsTop 70%
Indiana: #19,553 of 33,936 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
David Barnes has been granted 1 US patent while listed as an inventor at General Motors. All of these patents were granted in 1996. David Barnes ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list David Barnes in Carmel, IN, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5497298 Headlamp assembly with coil spring bulb shield John M. Luallin, Jan A. Wisler, Joseph C. Ballman 1996-03-05