DH

Doug Hargreaves

IC Ip Holding Company: 6 patents #10 of 66Top 20%
HG Hgci: 4 patents #8 of 33Top 25%
📍 Vancouver, WA: #210 of 1,812 inventorsTop 15%
🗺 Washington: #9,374 of 76,902 inventorsTop 15%
Overall (All Time): #443,239 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
D1029337 Light fixture 2024-05-28
D908944 Light fixture 2021-01-26
D854232 Modular portable hanger 2019-07-16
D853624 Corner adapter 2019-07-09
D791999 Horticulture grow light housing 2017-07-11
D786492 Modular portable light hanger 2017-05-09
D786475 Ballast 2017-05-09
9468288 Light hanger 2016-10-18
D756016 Horticulture grow light housing 2016-05-10
D725820 Ballast frame 2015-03-31
D698074 External ballast frame 2014-01-21