US 10,368,155 K1 (3,957th)
	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. IPR2021-00297, Dec. 7, 2020
Inter Partes Review Certificate for Patent 10,368,155, issued Jul. 30, 2019, Appl. No. 16/182,927, Nov. 7, 2018
Inter Partes Review Certificate issued Apr. 18, 2025