US 10,506,325 K1 (3,938th)
	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. IPR2021-00305, Dec. 15, 2020
Inter Partes Review Certificate for Patent 10,506,325, issued Dec. 10, 2019, Appl. No. 16/528,703, Aug. 1, 2019
Inter Partes Review Certificate issued Mar. 14, 2025