Inventor
HALLINGSTAD GREGORY J
US23 patents
⚠️ This page may combine multiple inventors who share the name “HALLINGSTAD GREGORY J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOSS CORP
18 patentsUS10206025B2Feb 12, 2019
System with wireless earphones
KOSS CORP9 citations92
US10959011B2Mar 23, 2021
System with wireless earphones
KOSS CORP2 citations84
US10959012B2Mar 23, 2021
System with wireless earphones
KOSS CORP2 citations84
US10848850B2Nov 24, 2020
System with wireless earphones
KOSS CORP3 citations84
US10827251B2Nov 3, 2020
System with wireless earphones
KOSS CORP2 citations84
US10368155B2Jul 30, 2019
System with wireless earphones
KOSS CORP1 citations84
US11792561B2Oct 17, 2023
Wireless earphones that play lossy compressed streaming audio
KOSS CORP0 citations73
US11653139B2May 16, 2023
Wireless earphones that play lossy compressed streaming audio
KOSS CORP0 citations73
US11606638B2Mar 14, 2023
Wireless earphones with digital signal processors
KOSS CORP0 citations73
US11582546B2Feb 14, 2023
Wireless earphones with hanger bars
KOSS CORP0 citations73
US11425486B2Aug 23, 2022
Wireless earphone that transitions between wireless networks
KOSS CORP1 citations73
US11425485B2Aug 23, 2022
Wireless earphone that transitions between wireless networks
KOSS CORP0 citations73
US10506325B1Dec 10, 2019
System with wireless earphones
KOSS CORP1 citations73
US10491982B1Nov 26, 2019
System with wireless earphones
KOSS CORP1 citations73
US10469934B2Nov 5, 2019
System with wireless earphones
KOSS CORP1 citations73
US10848851B2Nov 24, 2020
System with wireless earphones
KOSS CORP0 citations62
US10848852B2Nov 24, 2020
System with wireless earphones
KOSS CORP0 citations62
US10757498B2Aug 25, 2020
System with wireless earphones
KOSS CORP0 citations62