Inventor
Gregory J. Hallingstad
Inventor
DeForest, WI, US
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Fprimary
G06FElectric digital data processing12%
H03GControl of amplification12%
H03KPulse technique12%
H04HBroadcast communication12%
H04LTransmission of digital information, e.g. telegraphic communication12%
H04MTelephonic communication12%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers12%
H04WWireless communication networks12%
A47KSanitary equipment1%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables1%
PatentTitleYear
10,959,012System with wireless earphones202110,959,011System with wireless earphones202110,848,850System with wireless earphones202010,848,851System with wireless earphones202010,848,852System with wireless earphones202010,827,251System with wireless earphones202010,757,498System with wireless earphones202010,506,325System with wireless earphones201910,491,982System with wireless earphones201910,469,934System with wireless earphones201910,368,155System with wireless earphones201910,206,025System with wireless earphones20199,066,638'Insert for use with a roll of web material, and providing a unique identifier for the roll of web material'20159,049,502'System with wireless earphones'20158,571,544'System with wireless earphones'20138,190,203'Wireless earphone that transitions between wireless networks'2012Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2012–2021Patents assigned to KOSS CORP (15)· patent assignee history
2012–2015Patents assigned to HALLINGSTAD GREGORY J (4)· patent assignee history
2012–2015Patents assigned to LOWERY MORGAN J (4)· patent assignee history
2012–2015Patents assigned to PELLAND MICHAEL J (4)· patent assignee history
2012–2015Patents assigned to KOSS MICHAEL J (3)· patent assignee history
2012–2015Based in Madison, WI, US· patent location history
2019–2021Based in DeForest, WI, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KOSS CORP | 15 | 2012–2021 |
| HALLINGSTAD GREGORY Jself | 4 | 2012–2015 |
| LOWERY MORGAN J | 4 | 2012–2015 |
| PELLAND MICHAEL J | 4 | 2012–2015 |
| KOSS MICHAEL J | 3 | 2012–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| DeForest, WI, US | 12 | 2019–2021 |
| Madison, WI, US | 4 | 2012–2015 |