Home › Jmj Holdings › David M. Chenal

David M. Chenal — 2 Patents in 2024

JHJmj Holdings: 2 patents #1 of 1Top 100%

Frederic, WI: #1 of 1 inventorsTop 100%

Wisconsin: #932 of 4,887 inventorsTop 20%

Overall (2024): #174,843 of 561,600Top 35%

2 Patents 2024

Issued Patents 2024

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
D1045393	Earpiece-foam sizing tool	—	2024-10-08
12047732	Tuned-frequency-spectrum earpiece	—	2024-07-23