David M. Chenal

JH Jmj Holdings: 4 patents #1 of 1Top 100%

📍 Frederic, WI: #1 of 1 inventorsTop 100%

🗺 Wisconsin: #300 of 4,587 inventorsTop 7%

Overall (2022): #51,113 of 548,613Top 10%

Patents 2022

Issued Patents 2022

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
D964547	Earpiece device assembly	—	2022-09-20
D959670	Earpiece-foam sizing tool	—	2022-08-02
D952831	Earpiece apparatus	—	2022-05-24
11229552	Apparatus and method for an earpiece device	—	2022-01-25