DC

Douglas Brad Campbell

AA Airborne Athletics: 24 patents #1 of 12Top 9%
AS American Stabilis: 2 patents #2 of 5Top 40%
BG Bepex, Gmbh: 1 patents #5 of 11Top 50%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Kapalaoa, HI: #2 of 2 inventorsTop 100%
🗺 Hawaii: #32 of 2,560 inventorsTop 2%
Overall (All Time): #104,383 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 26–33 of 33 patents

Patent #TitleCo-InventorsDate
8852030 Basketball collection and return apparatus Jeffrey Jon Campbell 2014-10-07
8147356 Basketball return apparatus Jeffrey Jon Campbell 2012-04-03
8012046 Basketball return apparatus with mounting stand Jeffrey Jon Campbell 2011-09-06
6659893 Volleyball training apparatus Jeffery J. Campbell 2003-12-09
5980399 Ball toss apparatus Jeffrey Jon Campbell 1999-11-09
4352656 Gas appliance control device Roger P. Michaud 1982-10-05
4319873 Flame detection and proof control device Roger P. Michaud 1982-03-16
4206696 Cheese curd processing apparatus and method George Grant 1980-06-10