DH

David Hagopian

📍 Irvine, CA: #2,457 of 6,241 inventorsTop 40%
🗺 California: #149,087 of 386,348 inventorsTop 40%
Overall (All Time): #1,370,144 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12047729 Ear-fitting headphone attachment apparatus Harry Duane Romo 2024-07-23
11641540 Ear-fitting headphone attachment apparatus Harry Duane Romo 2023-05-02
11478093 Travel pillow apparatus, storage apparatus for the travel pillow apparatus, and methods of manufacturing and using the same Harry Duane Romo 2022-10-25