Partial year: Data through Q3 2025 (Sept 30). Full-year totals not yet available.
DC

David M. Chenal

JH Jmj Holdings: 3 patents #1 of 1Top 100%
📍 Frederic, WI: #1 of 2 inventorsTop 50%
🗺 Wisconsin: #362 of 3,989 inventorsTop 10%
Overall (2025): #64,661 of 469,880Top 15%
3
Patents 2025

Issued Patents 2025

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12250511 Apparatus and method for tuned-frequency-spectrum earpiece — 2025-03-11
12250523 Apparatus and method for an earpiece — 2025-03-11
D1066643 Earpiece — 2025-03-11