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Joel Robert Sietsema

SU Sound United: 3 patents #2 of 13Top 20%
📍 Carlsbad, CA: #76 of 475 inventorsTop 20%
🗺 California: #5,745 of 55,090 inventorsTop 15%
Overall (2025): #57,113 of 469,880Top 15%
3
Patents 2025

Issued Patents 2025

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D1083876 Audio speaker Ellie Rei Fukuda, Peter Joseph Hamblin, Matthew Lyons, Symon Whitehorn, Timothy David Williamson +1 more 2025-07-15
D1083877 Audio speaker Ellie Rei Fukuda, Peter Joseph Hamblin, Matthew Lyons, Symon Whitehorn, Timothy David Williamson +1 more 2025-07-15
D1081622 Audio speaker Ellie Rei Fukuda, Peter Joseph Hamblin, Matthew Lyons, Symon Whitehorn, Timothy David Williamson +1 more 2025-07-01