US 10,469,934 K1 (3,973rd)
	System with wireless earphones
Michael J. Koss; Michael J. Pelland; Michael Sagan; Steven R. Reckamp; Gregory J. Hallingstad; Jeffery K. Bovee; and Morgan J. Lowery
Assigned to KOSS CORPORATION
Trial No. IPR2021-00680, Mar. 17, 2021
Inter Partes Review Certificate for Patent 10,469,934, issued Nov. 5, 2019, Appl. No. 16/375,879, Apr. 5, 2019
Inter Partes Review Certificate issued May 13, 2025