LexDanaLexDanabeta
Inventor

Mandy M. Johnson

Inventor
Milwaukee, WI, US

Overview

6→
Patents
2006–2014
Patent span
Electricity
Primary field (CPC H)

Patents· 6 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Rprimary
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers50%
LOC1433%
H04MTelephonic communication17%
PatentTitleYear
8,818,012'Adjustable, dual speaker element in-ear phone'20148,103,040'Adjustable, dual speaker element in-ear phone'2012D0618669'Earphone'20107,428,429'Hands-free personal communication device'2008D0531984'Stereo headphone earplate'2006D0517044'Earplate for earphone'2006

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2006–2014Patents assigned to KOSS CORP (5)· patent assignee history
2006–2014Based in Milwaukee, WI, US· patent location history
2012–2014Patents assigned to JOHNSON MANDY M (2)· patent assignee history
2012–2014Patents assigned to KOSS MICHAEL J (2)· patent assignee history
2012–2014Patents assigned to MLODZIKOWSKI ALLAN G (2)· patent assignee history
2012–2014Patents assigned to PELLAND MICHAEL J (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KOSS CORP52006–2014
JOHNSON MANDY Mself22012–2014
KOSS MICHAEL J22012–2014
MLODZIKOWSKI ALLAN G22012–2014
PELLAND MICHAEL J22012–2014
Locations
LocationPatentsSpan
Milwaukee, WI, US62006–2014